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Cottage Country Building Supplies Carnarvon, Ontario · Since 2015 Castle Building Centres logo
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Sheet Goods

Plywood, OSB, flooring, cladding and interior panels — the sheet goods you need for your build, in stock at our yard.

Building Supplies

Sheet Goods

We carry a full range of sheet goods for every stage of construction — from structural plywood and OSB to flooring, exterior cladding and interior wall panels. The patterns and stock change regularly, so drop by to see our current selection.

Spruce Plywood · Oriented Strand Board (OSB) · PointSIX Flooring · Exterior Plywood Cladding (T111) · Good One Side · Interior Panels.

Structural Panels

Plywood, OSB & Flooring

Workhorse panels for roofs, walls and floors — explore each, then request a quote through our yard.

Spruce Plywood

This product is the most widely used plywood for general construction. The 1/2" is generally used for roof decking and the 5/8" or 3/4" is usually used for floors. It is not a sanded product and it is priced much lower than a Good One Side plywood.

Spruce plywood

Oriented Strand Board (OSB)

This product is called many things! Aspenite, Waferboard, Chipboard, Particleboard. Whatever you wish to call it, it is relatively cheap and is manufactured from “junk” wood from the forest. The glues and production methods used nowadays are much better. We stock 4'x8'x1/4", 7/16" and 5/8" T&G.

Oriented strand board (OSB)

PointSIX Flooring

Weather or not, pointSIX revolutionizes flooring. This product is generally used in conjunction with our engineered floors.

  • Patented tapered-edge technology that reduces edge swell
  • Reduces the need for sanding
  • No warping, sagging or cupping
  • Consistent from panel to panel—no voids or knotholes
  • Ainsworth quality program is audited by APA
PointSIX flooring
Cladding & Interior Panels

Cladding & Finished Panels

Exterior plywood cladding plus sanded and decorative panels for finished surfaces.

Exterior Plywood Cladding

The product is great for sheds or boathouses. It is 4'x8'x5/8" thick and is made of southern yellow pine. It has an unusual name — “T111”.

Exterior plywood cladding (T111)

Good One Side

This is a relatively new product. It usually comes from Chile. It has a face that is almost knot free and is attractively priced. There are few core voids as well. It is referred to as Radiata Pine.

Good One Side plywood

Interior Panels

We stock about a dozen interior wall panels in 4'x8'. The patterns change regularly. Drop by to see our selection! We also carry melamine, hardboards and hardwood plywoods.

Interior wall panels
Get a Quote

Request a quote or ask a question

Tell us about your project and our team will get back to you as soon as possible.

    Cottage Country Building Supplies

    Need sheet goods for your project?

    Drop by the yard or get in touch — we’ll help you pick the right panels and give you an accurate quote.