Sheet Materials

Sheet Materials

We stock a wide range of sheet materials from ply to MDF, OSB and chipboard for a plethora of construction requirements.

All our depots are regularly stocked with everyday essential sheet materials and a small selection of what's on offer from County Building Supplies can be seen below:


About Sheet Materials

Sheet materials enable construction using panels, which have the strength and characteristics of timber, without the density, cost & weight. Our range of sheet materials are chosen specially for professional-grade construction projects and are available for collection or delivery from all our depots.


WBP Ply is so-called because of its exterior Water and Boil Proof (WBP) glue, similar to most exterior plywoods. WBP Ply can be graded as being compliant with BS 1088, which is a British Standard for marine plywood. There are few international standards for grading WBP Ply and most of the standards are voluntary.

Shuttering Ply

Shuttering Ply is a wood composite material. It can be used to make a weather resistant mold to hold concrete while it sets. Shuttering ply is softwood plywood that is suitable for many uses including temporary, general utility use, good one side formwork, flooring and structural roofing applications.

MDF Sheets

MDF sheets (Medium density fibre-board) are engineered wood products made by breaking down hardwood or softwood residuals into wood fibres, often in a defibrator, combining it with wax and a resin binder, and forming panels by applying high temperature and pressure. MDF sheets are high grade, composite materials that perform better than solid wood in many areas, particularly where rigid structure is required. Normally, MDF sheets are coated or covered to make them waterproof.

Hardboard Sheets

Hardboard sheets are stiff boards made from compressed and treated wood pulp, making them ideal for facing walls with uneven surfaces. Also known as High Density Fibre-board (HDF) Hardboard Sheets are engineered to be extremely dense.

OSB Board

OSB board, also known as Sterling OSB, is an engineered wood particle board formed by adding adhesives and then compressing layers of wood strands (flakes) in specific orientations. OSB Board is similar in this regard to plywood: opposing-orientation of wood-fibres creates strength, creating a very rigid panel.

Chipboard Flooring

Chipboard flooring is made from chipboard: a material made in rigid sheets from compressed wood chips and resin, often coated or veneered, used in furniture, buildings, etc. Chipboard flooring has become popular thanks to it being relatively cheap and quick to lay. Standard size sheets are 2400mm x 600mm and available in two thicknesses – 18mm and 22mm.


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