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Render & Roughcast Accessories | SBR, PVA, Fixings & Primers

Explore our range of render and roughcast accessories, essential for preparing surfaces, improving adhesion, and fixing insulation boards in external wall rendering and dry dash applications. Whether you're a roughcaster, plasterer, or external wall insulation installer, we stock all the key products to get the job done professionally.

✅ SBR Bonding Agents – improves flexibility, adhesion & waterproofing
✅ PVA Primers – ideal for surface prep and bonding
✅ Insulation Fixings & Washers – secure EPS, mineral wool & XPS boards
✅ Mesh, corner beads & render scrim also available
✅ Trade-grade performance with nationwide delivery

Trusted by contractors across the UK, our render accessories ensure strong, lasting results on any roughcast or render system.

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Orange Render Tape 48mm x 50m

Alter Supplies
£6.00 - £6.00
£6.00
£6.00 - £6.00
£6.00
In stock

A very high grade tape for general masking requirements around doors and windows and creating render day joints, this tape will stick to almost any...

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£6.00 - £6.00
£6.00
£6.00 - £6.00
£6.00

Orange Render Tape 38mmx20m

Alter Supplies
£4.20 - £4.20
£4.20
£4.20 - £4.20
£4.20
In stock

A very high grade tape for general masking requirements around doors and windows and creating render day joints, this tape will stick to almost any...

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£4.20 - £4.20
£4.20
£4.20 - £4.20
£4.20

Mould Stop 5Ltr

Alter Supplies
£12.00 - £12.00
£12.00
£12.00 - £12.00
£12.00
In stock

Removes all types of organic growth, algae, etc. from brick concrete, wood, tarmacadam, painted surfaces, decking, garden furniture, paviours, plas...

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£12.00 - £12.00
£12.00
£12.00 - £12.00
£12.00

Insulating Tape 25mm x 3M Roll YELLOW

Alter Supplies
£1.20 - £1.20
£1.20
£1.20 - £1.20
£1.20
In stock

insulating Tape is a type of pressure-sensitive tape used to insulate electrical wires and other materials that conduct electricity. It can be made...

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£1.20 - £1.20
£1.20
£1.20 - £1.20
£1.20

Insulating Tape 25mm x 3M Roll BLUE

Alter Supplies
£1.20 - £1.20
£1.20
£1.20 - £1.20
£1.20
In stock

insulating Tape is a type of pressure-sensitive tape used to insulate electrical wires and other materials that conduct electricity. It can be made...

View full details
£1.20 - £1.20
£1.20
£1.20 - £1.20
£1.20

Insulating Tape 25mm x 3M Roll BLACK

Alter Supplies
£1.20 - £1.20
£1.20
£1.20 - £1.20
£1.20
In stock

insulating Tape is a type of pressure-sensitive tape used to insulate electrical wires and other materials that conduct electricity. It can be made...

View full details
£1.20 - £1.20
£1.20
£1.20 - £1.20
£1.20

High Strength Brick Acid 5Ltr

Alter Supplies
£9.99 - £9.99
£9.99
£9.99 - £9.99
£9.99
In stock

A super strength (16% hydrochloric acid) cleaner that will remove cement and mortar splashes from brickwork, paving, concrete floors and warehouses...

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£9.99 - £9.99
£9.99
£9.99 - £9.99
£9.99

FrostProofer 5Ltr (Bond-It)

Alter Supplies
£12.00 - £12.00
£12.00
£12.00 - £12.00
£12.00
Low stock

FrostProofer 5Ltr (Bond-It) Ensure your outdoor projects withstand the toughest winter conditions with the FrostProofer 5Ltr from Bond-It....

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£12.00 - £12.00
£12.00
£12.00 - £12.00
£12.00

EXTERNAL PREGRIT - EXTRA GRIP RENDER BONDING AGENT 10LTS TUBS

Alter Supplies
£36.00 - £36.00
£36.00
£36.00 - £36.00
£36.00
In stock

Transform Your Surfaces with EXTERNAL PREGRIT - EXTRA GRIP RENDER BONDING AGENT Introducing the EXTERNAL PREGRIT, a superior bonding agent...

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£36.00 - £36.00
£36.00
£36.00 - £36.00
£36.00

FOAM GUN

Alter Supplies
£30.00 - £30.00
£30.00
£30.00 - £30.00
£30.00
Low stock

Introducing the FOAM GUN Experience precision and efficiency with our high-quality FOAM GUN, expertly designed for both professionals and ...

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£30.00 - £30.00
£30.00
£30.00 - £30.00
£30.00

B3 Fill and Fix Expanding Foam Gun Grade 750ml

Alter Supplies
£7.20 - £7.20
£7.20
£7.20 - £7.20
£7.20
In stock

B3 Fill and Fix Expanding Foam Gun Grade 750ml Introducing the B3 Fill and Fix Expanding Foam Gun Grade 750ml – the ultimate solution for all your...

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£7.20 - £7.20
£7.20
£7.20 - £7.20
£7.20

42mm BMDW Stainless Board Screw 200box

Alter Supplies
£54.00 - £54.00
£54.00
£54.00 - £54.00
£54.00
In stock

42mm BMDW Stainless Board Screw 200box High-Quality Material: Made from premium stainless steel, these board screws are durable and resist...

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£54.00 - £54.00
£54.00
£54.00 - £54.00
£54.00