Joist Repair Shop

Joist Repair Plates, Joist Splicing Plates, Rotten Joist End Treatments

Property Repair Systems - Joist Repair Help - 01626 872886

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Joist end repair kits and splicing kits to replace rotted joists

JOIST END REPAIR KITS, METAL BOWER BEAM PLATES - JOIST SPLICE KITS, METAL PLATES

TIMBER RESIN JOIST SPLICE KITS - WOOD MACHINED TO SIZE

STRENGTH UPGRADES - JOISTS, CARRIER BEAMS, RESIN AND BARS

STRUCTURAL LOAD CALCULATIONS

ALL STEEL WOOD CHISELS

Treatments for and to prevent future rot

JOIST END BORON TREATMENT GEL - JOIST END BORON INJECTION PASTE

JOIST & WALL PLATE PRESERVATIVE BORON RODS

Holes and slots in joists - repair materials

EPOXY PUTTY , EPOXY ADHESIVE, STEEL STRAPS

 


A. Joist Repair - zinc galvanised steel pre-drilled end plates and splice plates, repair joists, reinforce and strengthen joists.

Also known as Bower Beams, after the Inventor.

For Domestic Floor Loadings only.

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Joist End Repair Plates - BM6, BM9 and BM17

1. Bearing End Replacement Use

For use to replace rotted ends or as splicing plates to add a new length of timber

Supplied as pairs of galvanized steel plates, pre-drilled, to be fixed with Coach Screws (included). The plates rest in or on the wall and allow for the rotted end to be cut off.

End view of a pair of Joist End Repair Plates - BM9Typical Joist End Repair Kit

Joist End Repair Plate Kits - BM9 - for up to 9 inches (225mm of cut off)

For use in rows of continuous end repairs, with no sound joist ends between, always add our bolt and nut set, comprising two bolts, two nuts and two washers, 10mm diameter, through the plates into the parent joist, to give additional stiffness.

2. Splicing Use

For use to add a new length of timber to an existing end

For use in splicing two joist pieces together always add two bolt and nut sets, comprising four bolts, four nuts and eight washers, 10mm diameter, through the plates into the parent joists, to give additional stiffness.


How to choose the correct kit and plate size

BM6 and BM9 - only for joists 4 inches up to 6 inches deep x 2 to 3 inches wide (100mm to 150mm x 50mm to 75mm)

BM6 Plates - allow for up to 6 inches, 150mm, to be cut off - joist size 4 inches, 100mm deep, up to 6 inches, 150mm deep. Plate size = 100mm deep x 550mm long with a 25mm flange lip on the bottom.

BM9 Plates - allow for up to 9 inches, 225mm, to be cut off - joist size 4 inches, 100mm deep, up to 6 inches, 150mm deep. Plate size = 100mm deep x 655mm long with a 25mm flange lip on the bottom.

Joist End Repair PlatesTightening a Coach Screw into a 10mm diameter pre-drilled hole

The plates extend into the wall - no wood required in the wall socket.


Steel plate end repair and splicing kit prices

BM17 - only for joists of a minimum size of 6 inches x 2 inches, 150mm x 50mm, up to 9 inches x 3 inches, 225mm x 75mm.

BM17 Plates - allow for up to 17 inches, 432mm, to be cut off - joist sizes from 6 inches, 150mm deep up to 9 inches, 225mm deep x 3 inches, 75mm width maximum. Plate size = 150mm deep x 1025mm long with a 25mm flange lip on the bottom

BM6 Kit - £19.56 -

BM9 Kit - £24.51 -

BM17 Kit - £35.97 -

Special sizes available to order, made from steel plate

Bolts Set - £2.50 - (specify the timber thickness of the joists in the Delivery Information Box when in the Shopping Cart)

Note - For Joist End Repair Plates buy 1 Bolts Set per Kit.

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B. Joist Splice Plate Kits - aluminium splice plates, undrilled, supplied with a pilot drill and self tapping screws

For Domestic Floor Loadings only.

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Joist Splice Plates - JSP1, JSP2, JSP3

1. For adding a new length of timber to an existing end

For use to replace rotted ends as splicing plates to add a new length of wood at the cut off point

Joist Splice Plates in position on a Joist

Joist Splice Plate Kits are supplied as pairs of plates made from anodised aluminium treadplate, un-drilled, to be fixed with self drilling and tapping screws (included). The plates allow you to joint domestic joists at any point along their length.

For use in splicing two joist pieces together always add two bolt and nut sets, comprising four bolts, four nuts and eight washers, 10mm diameter, through the plates into the parent joists, to give additional stiffness.


How to choose the correct kit and plate size

Maximum joist thickness - 3 inches, 75mm.

JSP No. 1 Small Kit - for joists from 4 inches up to 6 inches, 100mm - 150mm, in depth

JSP No. 2 Medium Kit - for joists from 6 inches to 8 inches, 150mm - 200mm, in depth

JSP No. 3 Large Kit - for joists from 8 inches up to 10 inches, 200mm to 250mm, in depth

Joist Splice Plates - to be screwed on, across the join, with self piercing screws


Aluminium plate end splicing kit prices

JSP Small Kit - £19.48 -

JSP Medium Kit - £23.80 -

JSP Large Kit - £32.68 -

Bolts Set - £2.50 -

Special sizes available to order, made from aluminium tread plate

(specify the timber thickness of the joists in the Delivery Information Box when in the Shopping Cart)

Note - For Splice Plates buy 2 Bolts Sets per Kit.

If you have a timber of any size that needs splicing ask us for a made to measure set of plates.

We can also supply bolt sets, plate washers and star washers.

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C. Timber- Resin Splice Kits - replace joist or beam ends, or centre sections. No size limits.

For Historic, Domestic and Commercial Floor Loadings.

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Timber- Resin Splice Kits - Type C, D, E, F, G, H.

Bearing End Replacement Use and Mid Span Repairs

For use to replace rotted ends or to add a new length of timber

Supplied as complete kits containing a new piece of laminated wood to the exact original size, high tensile steel bars as connectors and epoxy resins for making the connection.

Timber-Resin Splices for Structural Beam End RepairType C Timber-Resin Splice Design Sketch

For repairing timber beams, lintols, rafters, tie beams, carrier beams, joists and bressumers. These bespoke beam kits contain a new, laminated structural timber, made in kiln dried wood to C24 Grade or higher, fitted with connector bars made from zinc plated 8.8 Grade High Tensile Allthread bar. Pouring or injection resins are also included.

More details - see our specialist Web Sites

www.timber.org.uk - systems of repair, with step by step methods and site photos

www.timber-repair.co.uk - how to repair timber beams with Site photos

Joist end repair Timber Resin Splice for saving ceilings

Save a ceiling Joist Timber Resin Splice Kit

Engineering - free Design, Method Statement and Tools List (Hire available).

Frequently purchased with this product - additional Structural Pouring Resin

Pricing - price on application, Immediate Free Quotation - call Angela or David on 01626 872886

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Quotation Request Form - click here

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D. Wood machined to shape, no size limits.

For Historic, Domestic and Commercial Floor Loadings.

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We machine and laminate wood to recreate your original Joist or Beam size, shape and timber species.

Kiln dried softwood machine to old British Imperial sizesAssorted timber types - wood cut, planed and laminated to your sizes

Machined softwood to Imperial Size - in inches

We manufacture unusual shaped timber repair components. For example, on the left we have a Pizza Hut building with new frame legs, on the right a timber multi part beam part.

Pizza Hut Laminated  A Frame Leg RepairsMulti part arch components in Douglas FirUnusual wooden post, made to fit , in laminated softwood

Engineering - free Design, Method Statement and Tools List (Hire available).

Frequently purchased with this product - additional Structural Pouring Resin

Pricing - price on application, Immediate Free Quotation - call Angela or David on 01626 872886

Web Page - click here

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E. Strength Upgrades - reduce deflection - sagging joists and beams, change of use: domestic to commercial

For Historic, Domestic and Commercial Floor Loadings.

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Strength Upgrades for joists and beams - Structural Epoxy Pouring Resin and high tensile steel bars

For stiffening bearing ends or mid span delection

For use to stop sagging in floor joists and carrier beams

Dug our carrier beam with steel in place, ready for epoxy resin pour

For stiffening timber beams, lintols, rafters, tie beams, carrier beams, joists and bressumers. Steel reinforcement, made from zinc plated 8.8 Grade High Tensile Allthread bar, or BS4449 Rebar is laid into a central slot and then Structural Epoxy Pouring resin is added to form a permanent upgrade. This 'modified flitch' usually doubles the stiffness of the average beam.

Drilling out a central slot in a carrier beamResin poured over high tensile steel bars in a carrier beam

Central slot cut and then bars and resin used.

Engineering - free Design, Method Statement and Tools List (Hire available).

Frequently purchased with this product - additional Structural Pouring Resin


Strength Upgrade material prices

2.5 litres of Pouring Resin - £75.11 -

7.5 litres of Pouring Resin - £150.22 -


Strength Upgrade Connection Rods

Epoxy-Glass Bars - supplied in 1 metre lengths

Available in 6, 8, 10, 13, 16mm diameters

Zinc Plated High Tensile Steel Allthread - cut from 3 metre lengths

Available in 12, 16, 20, 25mm diameters

Helical Stainless Steel Bar - supplied in 1 metre and 7 metre lengths

Stainless Steel Helical Bar

Available in 6mm and 8mm diameters.

Free Quotation - call Angela or David on 01626 872886

Slot cut out using an Auger & Chisel

Bars dropped into slot & resin poured.

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F. All Metal Chisels - for deep slot clearance in wood

Ideal for cleaning out slots when fitting Timber-Resin Splice Joist End repair kits.


All Metal Chisels, made of solid steel, can be used with lump hammers and as levers, to clean out slots and tidy up previously roughly cut out cavities in wood.

All Metal Chisels, for Slot Clearance


All Metal Chisels prices

Standard length;

30mm wide - £19.87 -

Extended length

30mm wide - £39.87 -

All Steel Chisel - standard length 14 inches - also available extended

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G. Joist End Protection Boron Brushing Gel

Suitable for Amateur, DIY and Professional, Trade use.

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Joist End Boron Brushing Gel Treatment

Boron Ultra Gel is a honey-like liquid. It is a higher concentration surface treatment for woodworm, Death Watch Beetle and rots. Also for protection where the timber has become wet and is vulnerable to attack by insects and rots, or for new timbers being installed in a damp area. Apply by brush. It can stain if too much is left on the surface after absorption has completed, so always remove excess with a damp cloth. It has no smell and no vapour.

Usage rate - allow about 4 square metres per litre on smooth timber, more if the surfaces are rough. For woodworm treatments, including as part of a Death Watch Beetle treatment, (500cc will cover about 2 square metres, 1 litre about 4 square metres and 2 litres about 8 square metres).

Frequently purchased with this product - Boron Ultra Paste, (for injecting into thick timbers and damp areas, like the bearings ends of joists in walls), Box of Vinyl Gloves (100, uni-handed).


Joist End Boron Brushing Gel Prices

Buy Boron 5% Ultra Gels for brushing

500cc of Boron Gel - £21.00 -

2 litres of Boron Gel - £61.20 -

Buy Boron 20% Ultra Gels for brushing

500cc of Boron Gel - £32.90 -

1 litre of Boron Gel - £48.90 -

2 litres of Boron Gel - £78.20 -

Always Buy Safety Accessories

Box of 100 uni-handed vinyl gloves - £10.97 -


Brush Boron Gel onto Joist Ends

Brushing on Boron Based Gel as a Wood Preservative

Boron Ultra Gel in 500cc, 1 litre and 2 litre pots

Boron Ultra Gel in three sizes

Screw Top Lid with inner seal lid

Boron Gels available in 5% and 20%

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H. Joist End Boron Injection Paste Protection

Suitable for Amateur, DIY and Professional, Trade use.

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Joist End Boron Injection Paste

Boron Ultra Paste is a smooth white paste for use inside timber. Apply by injection, using the extensive tube provided. It has no smell, but can stain if any is left on the surface - wipe off excess with a damp cloth. It has no smell and no vapour. For woodworm treatments, including part of a Death Watch Beetle treatment. For woodworm and rot treatments where timbers are damp and are likely to remain damp, or become seasonally damp - e.g. window frames, joist ends, beam ends, wall plates, door posts, garden posts.

Usage rate - use our chart of hole spacings for various timber sizes as a guide, or call us on 01626 872886and we'll calculate your exact requirements. (Hole Spacing Guide - click here to download)

Frequently purchased with this product - Boron Ultra Gel, (for brushing onto thick timbers and damp areas, like the bearings ends of joists in walls), Box of Vinyl Gloves (100, uni-handed), Plastic Plugs (colour choice - red brick, dark brown, cream limestone, 10mm diameter, tapered).


Joist End Boron Injection Paste Prices

Buy Boron Ultra Paste for injection

400cc of Boron Paste - 5% £29.10 - - or at 40% £38.90 -

Includes an extension tube, 8mm diameter x 225mm

Professional 400cc Skeleton Gun - £16.50 -

Plastic Plugs are frequently purchased with this product

Plastic plugs, pack of 25, grey - £3.96 -

Plastic plugs, pack of 25, brick red - £3.96 -

Plastic plugs, pack of 25, stone cream - £3.96 -

Always Buy Safety Accessories

Box of 100 uni-handed vinyl gloves - £10.97 -

Plugs to fill injection holes - 10mm


Inject Boron Paste into holes drilled at an angle in the vulnerable Joist Ends

Boron Ultra Paste for Injection

 

Hole filling - all our injection pastes and creams can be runny when warm and will dry out rapidly in the open air. Use our plastic plugs, or wooden dowel, to cap the holes. Always plug the holes to stop the product from drying out.

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J. Joist End Boron Rod Protection

Suitable for Amateur, DIY and Professional, Trade use.

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Joist End Boron Rod Protection

As used by Railtrack, B.T. and Electricity Supply Companies.

Boron Rods are made of high concentration fused Borate, for use inside timber. They are designed to slowly dissolve inside the wood, spreading a zone of treatment around each hole. They have no smell and no vapour. For woodworm and rot treatments where timbers are damp and are likely to remain damp, or become seasonally damp - e.g. window frames, joist ends, beam ends, wall plates, door posts, garden posts. Provides a long term reservoir of Boron protection - e.g. sheds, fence posts, window frames, timber framed buildings.

Usage rate - use our chart of hole spacings for various timber sizes as a guide, or call us on 01626 872886and we'll calculate your exact requirements. (Hole Spacing Guide - click here to download)

Frequently purchased with this product - Boron Ultra Gel, (for brushing onto thick timbers and damp areas, like the bearings ends of joists in walls), Box of Vinyl Gloves (100, uni-handed), Plastic Plugs (colour choice - red brick, dark brown, cream limestone, 10mm diameter, tapered)


Joist End Boron Rod Prices

Buy Boron Rods

8mm x 24mm packet of 10 - £14.92 -

8mm x 65mm packet of 10 - £22.90 -

12mm x 50mm packet of 10 - £17.92 -

12mm x 100mm packet of 10 - £38.60 -

Plastic Plugs are frequently purchased with this product

Plastic plugs, pack of 25, grey - £3.96 -

Plastic plugs, pack of 25, brick red - £3.96 -

Plastic plugs, pack of 25, stone cream - £3.96 -

Always Buy Safety Accessories

Box of 100 uni-handed vinyl gloves - £10.97 -


Use Boron Rods, together with injected Boron Paste, inside timbers that may remain damp, or become seasonally damp.

Boron Rods in Packets of 10

Available in sizes to suit Joists, Beams, Window Frames, Wall Plates, Poles and Posts.

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Web Page - click here

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K. Contact us for Structural Calculations and Technical Advice - 01626 872886

Looking for a solution to a problem:

  • Joist end repair - use Joist End Repair Kits
  • Joist span repairs - use Joist Splice Plates
  • Timber Beam end failure - use a Timber-Resin Splice kit

Free Technical Advice on all these subjects: call Angela or David on 01626 33135


L. Joist Hole and Slot Repair

For Domestic Floor Loadings only.

Click for Data Sheet - Epoxy Putty

Click for Data Sheet - Epoxy Adhesive Paste

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Joist Hole and Slot Repair

For use to replace slots, holes and notches cut through joists by electricians and plumbers

Holes and slots are filled using our Mouldable Epoxy Putty, with protective plastic DPC sleeving around pipes to allow movement.

Massive notch through joist - ready for Epoxy Putty repairMassive hole through joist, ready for Epoxy Putty repair

Mixing Epoxy Putty in the gloved hand.

Mixing Epoxy Putty to fill joist holes and slotsWrapped pipe awaiting Epoxy Putty filler

Steel straps are fitted on both sides of each joist.

Epoxy Putty in place, steel straps fitted.

Epoxy Putty around pipe, steel straps above and below.


Joist Hole and Slot Repair Prices

Or buy by phone 01626 872886

Epoxy Putty

500cc of Epoxy Putty - £14.85 -

1 litre of Epoxy Putty - £24.60 -

Epoxy Adhesive Paste

1 litre of adhesive - £18.76 -

3.33 litres of adhesive - £46.80 -

Zinc plated steel strapping

28mm wide x 2.5mm thick, 6mm holes at 25mm centres

400mm of steel strapping - £4.50 -

600mm of steel strapping - £6.75 -


Use our telephone help service on 01626 872886to advise regarding where you will need Epoxy Putty and where steel strapping should be added.

Click for Data Sheet - Epoxy Putty

Click for Data Sheet - Epoxy Adhesive Paste

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Property Repair Systems

Care of H S Hire, Broadmeadow Industrial Estate,

Teignmouth, TQ14 9AE

T: 01626 872886

E: help@propertyrepairsystems.co.uk


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Other Property Repair Systems Sites:

www.boron.org.uk - how to use Boron based insecticides/fungicides to treat timber rots and insect attack

www.dampness-info.co.uk - how to treat penetrating dampness in walls and plaster

www.deck-treatment.co.uk - how to treat patio decks and yacht decks

www.dryrot.biz - how to kill Dry Rot in buildings

www.drywallandfloor.co.uk - membranes for lining damp walls, floors, basements and cellars

www.epoxy-info.co.uk - epoxy resins for repairing wood, concrete, brick and stone

www.fire-door-paint.co.uk - upgrade doors to 30 minutes fire resistance

www.propertyrepairsystems.co.uk - our Home Site

www.steel-fire-paint.co.uk - treat steel with Intumescent Paint to provide fire protection

www.timber.org.uk - systems of repair, with step by step methods

www.timber-repair.co.uk - how to repair timber beams

www.woodworm-info.co.uk - how to kill and prevent woodworm and death watch beetle

www.woodworm-expert-advice-forum.org.uk - all your questions and our answers about woodworm treatment DIY


Site written by: David Moore

David Moore, B.A. (Hons.), C.T.I.S., C.R.D.S. Technical Author

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