Answers to Popular Questions
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Q1: How many layers are in 12mm and 18mm plywood?
The number of layers, or plies, in plywood depends on the thickness and intended use. For 12mm plywood, there are typically 5 to 7 layers, while 18mm plywood generally has 7 to 9 layers. Each ply layer is cross-laminated for strength, making plywood suitable for durable applications like shed cladding, flooring, and fencing panels.
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Q2: What are plywood sheets used for?
Plywood sheets are versatile and used for a variety of applications, including shed cladding, garden fences, cabinetry, and structural flooring. Exterior plywood, especially in 18mm thickness, is ideal for outdoor uses like plywood cabins and robust fencing panels. This wood’s durability and easy-to-handle size make it a top choice for many construction and DIY projects.
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Q3: How to cut plywood?
To cut plywood cleanly, use a circular saw with a fine-toothed blade. Mark the cut line, secure the plywood, and cut along the marked line slowly to avoid splintering. For best results with thicker boards, such as 18mm plywood, consider a guide rail to maintain a straight edge. With OSB T&G boards, follow similar steps, but keep in mind their denser structure may require a sharper or slower cut.
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Q4: How much does plywood weigh?
Plywood weight varies by thickness and type. Standard 18mm plywood boards typically weigh between 20-25kg per sheet. OSB3 sheets can be slightly heavier due to their high-density structure. This weight makes plywood an excellent choice for heavy-duty applications, including shed cladding and fence panels. Worth bearing in mind when considering safe and awkward lifting may require 2 people.
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Q5: What are the differences between plywood and OSB T&G sheets?
Plywood and OSB (Oriented Strand Board) T&G sheets differ in structure and use. Plywood consists of cross-laminated wood veneers, making it durable and resistant to splitting. OSB, particularly the tongue and groove (T&G) variety like OSB3, is made from compressed wood strands, giving it excellent load-bearing strength. Plywood is more versatile, while OSB T&G sheets are ideal for flooring and structural applications.
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Q6: How to use sheet wood for shed cladding?
To use sheet wood, like plywood or OSB boards, for shed cladding, start by measuring and cutting the sheets to fit each wall. Secure each sheet wood panel to a frame with nails or screws, ensuring a tight fit. For added durability, especially in exposed areas, use Class 3exterior-grade or pressure-treated plywood. Finish with a weather-resistant coating for long-lasting protection against the elements.