Twistfix

Construction Chemicals

Twistfix supplies a wide range of construction chemicals for building renovation.

Professional admixture systems and plastering blends are ideal for finishing walls after damp proofing work has been carried out, whilst mould removal products get rid of black mould caused by condensation.

Professional wood preservative formulations are tailor-made for treating timber in old buildings, delivering long lasting protection from woodworm, wood rot and other fungi. Advanced water repellent surface treatments preserve the condition of masonry and concrete.

Our range of building chemicals are used across the UK by

Construction chemicals must be handled with care.  Please follow product instructions carefully.

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Woodworm Treatment Kit

Woodworm Treatment Kit

This woodworm treatment kit comes complete with mixing vessel and spray unit. It eradicates wood boring beetle and protects against future infestation. 5 x 1L Concentrate makes 125L.
Price excl. VAT
£208.75
Price incl. VAT
£250.50
Wet & Dry Rot Treatment

Wet & Dry Rot Treatment

This wet & dry rot treatment kit comes complete with mixing vessel and spray unit. It protects timber against wood-rooting fungi and kills woodworm. 6 x 1L Concentrate makes 75-150L depending on application
Price excl. VAT
£311.21
Price incl. VAT
£373.45
Mould Remover

Mould Remover

A professional mould remover concentrate that provides the surface sterilisation treatment to remove and kill mould spores and surface growths on painted or papered surfaces.­Concentrate is supplied in a 5L containerand makes 25L solution
Price excl. VAT
£46.00
Price incl. VAT
£55.20
Fungicidal Paint Additive

Fungicidal Paint Additive

Fungicidal paint additive for anti-condensation paint. Black mould prevention at a fraction of the cost of a specialised fungicidal paint.
Price excl. VAT
£6.75
Price incl. VAT
£8.10
SBR

SBR

SBR is a liquid latex admixture that improves the characteristics of cement mixes such as render, screed and mortar and can be used as a bonding primer to improve adhesive characteristcs 5L
Price excl. VAT
£20.95
Price incl. VAT
£25.14
Render Additive

Render Additive

A waterproofing additive for use in sand & cement renders following damp-proof injection treatment. An essential part of effective chemical damp proofing. 5 Litres
Price excl. VAT
£20.95
Price incl. VAT
£25.14
Wood Treatment Wykabor 10

Wood Treatment Wykabor 10

Triple action timber treatment with ready-mixed boron wood preservative and masonry wash for treatments of woodworm, prevention of timber decay and removal of mould, dry rot and moss. 5L and 25L containers
Price excl. VAT
£18.75
Price incl. VAT
£22.50
Siloxol Wood Protection Cream

Siloxol Wood Protection Cream

Siloxol Wood Protection Cream is a siloxane-based cream designed to penetrate into softwood and provide long-lasting water repellent properties. By significantly reducing water uptake it minimises the chances of mould .
Price excl. VAT
£81.63
Price incl. VAT
£97.96
Siloxol Triple Action Patio Sealant

Siloxol Triple Action Patio Sealant

Triple Action Patio Sealant is a premium product which uses the latest in nanotechnology to generate an exceptionally thin protective coating over brickwork, concrete, patios and driveways. The tiny particles are able to penetrate deep into the substrate
Price excl. VAT
£39.99
Price incl. VAT
£47.99
Siloxol Wood Protection Liquid

Siloxol Wood Protection Liquid

Siloxol Wood Protection Liquid is a water-based silane-siloxane emulsion designed to provide long-lasting water repellent properties to softwood. By significantly reducing water uptake it minimises the chances of mould and algae growth on the timber.
Price excl. VAT
£24.99
Price incl. VAT
£29.99
Roundup ProActive

Roundup ProActive

Roundup Pro Active is the professionals choice for treatment of hardy weeds such as Japanese knotweeds and Ivy . Used by local councils and groundsmen to control grasses and broad-leaved weed on roadsides, driveways, paths and hard grounds.
Price excl. VAT
£89.25
Price incl. VAT
£107.10
Roundup Proactive 1LTR

Roundup Proactive 1LTR

Roundup Pro Active is the professionals choice for treatment of hardy weeds such as Japanese knotweeds and Ivy . Used by local councils and groundsmen to control grasses and broad-leaved weed on roadsides, driveways, paths and hard grounds.
Price excl. VAT
£31.50
Price incl. VAT
£37.80
Roundup Provantage 480

Roundup Provantage 480

Roundup Provantage 480 is an advanced glyphosate weed killer that is ideal for providing control of annual, perennial and broad leaved weeds. This powerful glyphosate week killer is safe to everything except green plants - 5L Concentrate
Price excl. VAT
£114.30
Price incl. VAT
£137.16
Knotweed Control Treatment

Knotweed Control Treatment

Knotweed control treatment in a 3-pack kit for the eradication of Japanese knotweed, hogweed and other ground invasive plants. Roundup Pro-Bio herbicide concentrate contains Glyphosate and is sold for qualified professional use only
Price excl. VAT
£254.36
Price incl. VAT
£305.23
Tree Stump and Root Killer Plugs

Tree Stump and Root Killer Plugs

Tree stump and root killer plugs comprise 300mg of granular glyphosate encased in a nylon Eco-Plug capsule. This tree stump chemical kills the entire root system, delivering 95-100% control of treated tree stumps
Price excl. VAT
£99.80
Price incl. VAT
£119.76
Siloxol Wood & Patio Cleaner

Siloxol Wood & Patio Cleaner

Siloxol Wood & Patio Cleaner is used to kill mould, algae and lichens on outdoor surfaces, such as fences, decking and patios. This improves the cleaning process, making it quicker and more effective.
Price excl. VAT
£18.95
Price incl. VAT
£22.74
Siloxol Dual Action Patio Sealant

Siloxol Dual Action Patio Sealant

Dual Action Patio Sealant uses a speciality fluorocarbon-based polymer to deliver excellent stain and water repellency to porous mineral substrates, whilst retaining the natural substrate appearance. These properties reduce the amount of cleaning and main
Price excl. VAT
£29.15
Price incl. VAT
£34.98
Mould Remover Kit

Mould Remover Kit

Mould remover kit has everything you need to kill mould growth and mildew.
Price excl. VAT
£31.95
Price incl. VAT
£38.34
Thermaldry Anti-Condensation coating

Thermaldry Anti-Condensation coating

Thermaldry anti-condensation paint inhibits condensation by reflecting thermal energy away from the walls protecting them from damp and moisture. Applied in two coats with a drying time of 2-4 hours between the application of each coat.
Price excl. VAT
£49.63
Price incl. VAT
£59.56
Renovating Plaster

Renovating Plaster

A lightweight renovating plaster pre-mix with perlite, fibres & water repellent additives. For use following damp proof treatments or in conjunction with cementitious tanking coatings. 20KG
Price excl. VAT
£22.63
Price incl. VAT
£27.16
Tanking Membrane

Tanking Membrane

A cost effective high density polyethylene tanking membrane with 3mm studs formed on one face of the product and a mesh welded to the other side. Available at a special trade price in a 1m x 10m , 1m x 20m or 2m x 20m roll
Price excl. VAT
£48.00
Price incl. VAT
£57.60
SBR Latex Bonding Additive

SBR Latex Bonding Additive

SBR bonding additive that has been modified to improve the properties of render, screed and mortar mixes. A liquid latex formulation - compatible with cementitious materials. 25L
Price excl. VAT
£73.50
Price incl. VAT
£88.20
Universal Mortar

Universal Mortar

Universal mortar is fibre reinforced. It cures rapidly to produce a high performance levelling coat, cementitious render and profiling mortar. Sold in 25kg bags.
Price excl. VAT
£23.05
Price incl. VAT
£27.66
NMD High Impact Plaster

NMD High Impact Plaster

No More Damp High Impact Plaster finish ia highly durable providing a long-lasting finish over Renovation Plaster. Used as part of a re-plastering system following the installation of a damp-proof course. Sold in 25kg bags .
Price excl. VAT
£22.50
Price incl. VAT
£27.00