INC

MKM Home Page

No Branch Selected

Free Local Delivery*

Or click & collect in branch

£1000 Credit*

Apply for an account

Get Trade Discounts

Register today and start saving

Trusted Local Experts

Over 135 branches nationwide

Cavity Insulation

121 products

Elevate your building's energy efficiency with our premium cavity insulation products at MKM Building Supplies. Ideal for reducing heat loss and improving indoor comfort, our cavity insulation range is suitable for a variety of applications, from residential to commercial projects. Available in multiple materials and thicknesses, we ensure you'll find the perfect fit for your construction needs. Our team is here to provide expert advice and support, helping you choose the right insulation solution.

Showing 1 to 20 of 121 items

Showing 1 to 20 of 121 items

Rockwool Rwa45 Slab Insulation, 1200mm x 600mm x 100mm, 2.88m2
Rockwool Rwa45 Slab Insulation, 1200mm x 600mm x 100mm, 2.88m2 product image
Greener Option-energy

Rockwool Rwa45 Slab Insulation, 1200mm x 600mm x 100mm, 2.88m2

Greener Option-energy

FREE local delivery

Restrictions apply*

to see available stock and prices

Kingspan Thermawall TW50 Cavity Boards, 1200 x 450 x 60 mm
Kingspan Thermawall TW50 Cavity Boards, 1200 x 450 x 60 mm product image

Kingspan Thermawall TW50 Cavity Boards, 1200 x 450 x 60 mm

FREE local delivery

Restrictions apply*

to see available stock and prices

Kingspan Thermawall TW50 1200X450X 100mm Cavity Batts Loose Sheets
Kingspan Thermawall TW50 1200X450X 100mm Cavity Batts Loose Sheets product image
Greener Option-energy

Kingspan Thermawall TW50 1200X450X 100mm Cavity Batts Loose Sheets

Greener Option-energy

FREE local delivery

Restrictions apply*

to see available stock and prices

Jcw Acoustic Sealant, 310ml
Jcw Acoustic Sealant, 310ml product image

Jcw Acoustic Sealant, 310ml

FREE local delivery

Restrictions apply*

to see available stock and prices

Rockwool Rollbatt Insulation, 400mm x 1200mm x 4800mm, 5.76m2
Rockwool Rollbatt Insulation, 400mm x 1200mm x 4800mm, 5.76m2 product image

Rockwool Rollbatt Insulation, 400mm x 1200mm x 4800mm, 5.76m2

FREE local delivery

Restrictions apply*

to see available stock and prices

Eco 360 Cavity Therm, 125 mm, Full Fill, 1200 X 450 mm
Eco 360 Cavity Therm, 125 mm, Full Fill, 1200 X 450 mm product image

Eco 360 Cavity Therm, 125 mm, Full Fill, 1200 X 450 mm

FREE local delivery

Restrictions apply*

to see available stock and prices

Timloc 1Hr Fire Rated Cavity Stop Sock, 1200mm x 50mm
Timloc 1Hr Fire Rated Cavity Stop Sock, 1200mm x 50mm product image

Timloc 1Hr Fire Rated Cavity Stop Sock, 1200mm x 50mm

FREE local delivery

Restrictions apply*

to see available stock and prices

Cavity Stop Sock, 165mm x 120mm x 1200mm
Cavity Stop Sock, 165mm x 120mm x 1200mm product image

Cavity Stop Sock, 165mm x 120mm x 1200mm

FREE local delivery

Restrictions apply*

to see available stock and prices

Timloc Thermo-Loc Eps Multi Cavity Closer 2.4M 50-100mm
Timloc Thermo-Loc Eps Multi Cavity Closer 2.4M 50-100mm product image
Greener Option-energy

Timloc Thermo-Loc Eps Multi Cavity Closer 2.4M 50-100mm

Greener Option-energy

FREE local delivery

Restrictions apply*

to see available stock and prices

Timloc Thermo-Loc EPS 100-150mm Multi Cavity Closer 2.4m
Timloc Thermo-Loc EPS 100-150mm Multi Cavity Closer 2.4m product image
Greener Option-energy

Timloc Thermo-Loc EPS 100-150mm Multi Cavity Closer 2.4m

Greener Option-energy

FREE local delivery

Restrictions apply*

to see available stock and prices

Knauf Dritherm Cavity Slab 37, 50mm, 6.552m2
Knauf Dritherm Cavity Slab 37, 50mm, 6.552m2 product image

Knauf Dritherm Cavity Slab 37, 50mm, 6.552m2

FREE local delivery

Restrictions apply*

to see available stock and prices

Thin-R Cavity Fill Board, 1200mm x 450mm x 90mm
Thin-R Cavity Fill Board, 1200mm x 450mm x 90mm product image

Thin-R Cavity Fill Board, 1200mm x 450mm x 90mm

FREE local delivery

Restrictions apply*

to see available stock and prices

Unilin Insulation, Cavity Wall Insulation Board, Polyisocyanurate, 90mm, 0.54m2,
Unilin Insulation, Cavity Wall Insulation Board, Polyisocyanurate, 90mm, 0.54m2, product image

Unilin Insulation, Cavity Wall Insulation Board, Polyisocyanurate, 90mm, 0.54m2,

FREE local delivery

Restrictions apply*

to see available stock and prices

Manthorpe WCMulticor Cavity Closer 50mm-100mm 2.44m
Manthorpe WCMulticor Cavity Closer 50mm-100mm 2.44m product image
Greener Option-energy

Manthorpe WCMulticor Cavity Closer 50mm-100mm 2.44m

Greener Option-energy

FREE local delivery

Restrictions apply*

to see available stock and prices

Knauf Frametherm Roll 32, 90mm x 2x570, 5.13m2
Knauf Frametherm Roll 32, 90mm x 2x570, 5.13m2 product image

Knauf Frametherm Roll 32, 90mm x 2x570, 5.13m2

FREE local delivery

Restrictions apply*

to see available stock and prices

Manthorpe Multicor EXL244 Cavity Closer 50mm-100mm 2.44m
Manthorpe Multicor EXL244 Cavity Closer 50mm-100mm 2.44m product image
Greener Option-energy

Manthorpe Multicor EXL244 Cavity Closer 50mm-100mm 2.44m

Greener Option-energy

FREE local delivery

Restrictions apply*

to see available stock and prices

Isover Cavity Wall Insulation, 36 100mm, 6.55m2/Pack
Isover Cavity Wall Insulation, 36 100mm, 6.55m2/Pack product image

Isover Cavity Wall Insulation, 36 100mm, 6.55m2/Pack

FREE local delivery

Restrictions apply*

to see available stock and prices

Knauf Frametherm Roll 40, 90mm, 2 x 570, 14.25sqm
Knauf Frametherm Roll 40, 90mm, 2 x 570, 14.25sqm product image

Knauf Frametherm Roll 40, 90mm, 2 x 570, 14.25sqm

FREE local delivery

Restrictions apply*

to see available stock and prices

Arc T-Barrier Pitch Roof, Pack Of 9
Arc T-Barrier Pitch Roof, Pack Of 9 product image

Arc T-Barrier Pitch Roof, Pack Of 9

FREE local delivery

Restrictions apply*

to see available stock and prices

Rockwool Flexi Slab Insulation, 1200 x 400 x 140 mm, 1.92 M2 (Pack 4)
Rockwool Flexi Slab Insulation, 1200 x 400 x 140 mm, 1.92 M2 (Pack 4) product image

Rockwool Flexi Slab Insulation, 1200 x 400 x 140 mm, 1.92 M2 (Pack 4)

FREE local delivery

Restrictions apply*

to see available stock and prices