Lap is applied to the way that the plain tiles are laid on the roof to create an effective barrier to water.
Single lap roof tiling.
They overlap at the sides so unlike plain tiles a double lap is not required.
A single lap of one tile over another provides good resistance against the weather.
The weight of the overall roof covering is less with regards to double lap tiling but the size of the batton size.
Install single lap roof tiles to a variable gauge.
Most single lap tiles have a tongue and groove joint along the side edges to form a series of interlocking joints.
Their weight is also substantially less than plain tiling with obvious savings in materials and roof structure costs.
Single lap slates require far fewer units per square metre of roof than a double lap product.
This standard is about interpreting information adopting safe healthy and environmentally responsible work practices selecting and using materials components tools and equipment and installing single lap roof tiles to a variable gauge for new and or re roof work.
A single lap of one tile over another is sufficient to provide the weather tightness required.
Single lap tiling.
Plain tiles like slates are uniform in shape and have no side interlocks allowing water to enter the gaps between the tiles.
Pantiles are single lap tiles.
This means that at any point of the roof there is at least a.
There is a reduction in weight of the overall roof covering compared to double lap tiling but the batton size will be larger.
Most single lap tiles contain a tongue and groove joint along the side edges to produce a wide array of interlocking joints.