How To – Plywood siding residential construction

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    Although normally signing is applied over exterior she then which has been protected by a vapor barrier some contractors to make use of single wall systems.

    In a single wall system the exterior sheathing is the finished product.  Where normally the vapor barrier would be applied over the exterior sheathing the plywood siding is applied directly to the studs.  This means a vapor barrier must be applied from the interior of the home.

    Because plywood siding is installed horizontally additional blocking is required in the wall.  Similar to tongue and groove plywood shiplapped joints are on all edges.  This provides better weather protection.

    The thickness of the siding will depend on stud spacing.  Siding is available in 3/8, 1/2 and 5/8 inch thickness.

    The material can be painted or stained however a waterproofing coating must be applied prior to top finish.

    Nailing plywood siding

    Because plywood siding is faced nailed it is important that you use a non staining fastener.

    Hot dipped galvanized nails are recommended.  Aluminum nails to not have a sufficient strength so they should not be used.  Electroplated nails will eventually lose their protective quality so they are not recommended.

    Construction adhesive is also recommended that each joint.  And just like standard plywood studs should be glued prior to nailing.

    Plywood siding design features

    There are a variety of different styles of plywood siding that you can purchase.  T1 siding is the most common form of plywood siding however if styles in your area differ contact your supplier for additional selections.

    Siding can be installed horizontally or vertically in most instances however it will depend on the style you select.

    Final note

    Although plywood siding is not the preferred method of exterior siding it can produce a functional and appealing sheathing for your home.

    When selecting plywood siding are traditional products the consideration of long-term costs must be a factor.

    This is an excellent product for detached garages or sheds however it’s use a residential construction for living space has a number of drawbacks.

    Siding material whether wood, aluminum, vinyl or brick should really be used to protect the structure of the home it should not actualy be the structure of the home or failure of the siding means failure of the structure.

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