How To Strengthen A Roof Structure

Just make one of the rafter members extend beyond the cross tie.

How to strengthen a roof structure.

Because expanded clay is very strong and has a low self weight it permits longer structural spans and slimmer cross sections in new. If you have a stick frame roof there are a few basic techniques that you can use to strengthen your rafters. Roof strengthening when the original slate roof covering is replaced with heavy interlocking concrete tiles and the roofing contractors give little or no thought to the increased loadings on the roof structure this could cause the roof to deflect. Historic alterations to the buildings roof left the roof structure in this condition.

Laterlite lightweight structural concretes can be used for casting loadbearing roof slabs for further information see structural slabs an beams or to strengthen existing slabs for further information please refer to the section on slab strengthening. Snow increases the overall weight of your roof adding to the forces acting on your rafters. Strengthening existing roof rafters is a difficult process that often requires professional help. If your roof is strong enough it can extend beyond the support walls without external bracing.

You can strengthen the roof to prevent damage by adding braces to the roof rafters inside your attic. A cantilever is any structure such as a roof or floor overhang that is braced internally. The bottom horizontal of the triangular truss form which corresponds to the joists in stick framed roofs is known as the lower cord. This is a fairly basic project that can help protect your roof but consult a structural.

To strengthen this frame shorter vertical bracing known as cripples can be added. This open triangle requires bracing and the center vertical brace that supplies this is known as the king stud.