Owens Corning XPS Rigid Foam Insulation Board

MYCS supplies Owens Corning extruded polystyrene (XPS) rigid foam insulation board for foundations, under-slab and wall applications. We stock C300, F400, F600 and F1000 boards from 1 to 4 in thick in 2 x 8 ft sheets, butt edge or shiplap.

Insulation can ship with your rebar, mesh and foundation supplies on one delivery.

Need pricing or a truckload quote? Request a quote, call 289-780-4555 or email info@mycsupply.com.

What we stock

Click any item or item no. to open our quote form with the item already filled in.

Product Thickness Board size Edge Item no.
C300 1" 2' x 8' Butt edge MYCS34124023
C300 2" 2' x 8' Butt edge MYCS07118001
C300 2" 2' x 8' Shiplap MYCS07118009
C300 3" 2' x 8' Butt edge MYCS07118002
C300 4" 2' x 8' Butt edge MYCS07118003
C300 (Type 4) 1.5" 2' x 8' Butt edge MYCS07118004
C300 (Type 4) 4" 2' x 8' Shiplap MYCS07118005
F1000 2" 2' x 8' Butt edge MYCS34124051
F1000 3" 2' x 8' Butt edge MYCS34124052
F400 2" 2' x 8' Butt edge MYCS34124043
F400 3" 2' x 8' Butt edge MYCS34124044
F400 (Type 4) 2" 2' x 8' Butt edge MYCS07118007
F600 2" 2' x 8' Butt edge MYCS34124048
F600 3" 2' x 8' Butt edge MYCS34124049

Ordering and delivery

  • Wholesale supply to contractors, fabricators and building supply dealers across Ontario and Quebec.
  • Delivered on palletized loads with our own fleet from Brantford, Ontario; zone-based delivery rates.
  • Full truckload and mixed loads available. Ask us about combining products on one delivery.
  • Pricing is by quote. Volume and repeat-order pricing available.

Frequently asked questions

What thicknesses do you carry?

From 1 in up to 4 in, depending on the product. See the table above.

What is the difference between butt edge and shiplap?

Butt-edge boards have square edges. Shiplap boards have stepped edges that overlap to reduce gaps at the joints.

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