Treatment – Roofing battens should be preservative treated to Use Class 2 in accordance with BS 8417. Different manufacturers use their own types of preservative treatment and may offer different guarantees as a result.
Why are roofing battens blue?
The reason our product is dyed blue is to distinguish it as meeting the necessary standard: it’s a colour commonly used by Nordic and Baltic suppliers. But it’s the BS5534 grading stamp, not the colour, that’s important.”
Why are wood battens blue?
For fixing Roof Tiles, Slates, and sheets, Batten colour may vary. The battens are blue in colour indicating that each individual batten has been assessed, graded and complies with the strength requirements of BS 5534 : 2003 + A1 : 2010.
Do roof battens rot?
You can get some rot in roof battens, but, generally, it’s at the roof’s edges, such as at chimneys or in verges – the edge of a roof that has a gable. Battens in the main body of the roof do not rot, unless there are some major long-term defects, or the tiles have become porous.
Are blue roof battens treated?
Our timber batten is pressure treated to resist rot and insect attack, and machine graded to meet BS5534.
How long do roofing battens last?
Most battens are supplied with an industrially applied treatment process designed to provide a 60-year design life under Use Class 2. The relevant Standard is BS 8417:2011 Preservation of Wood.
Why are roofing battens red?
JB Red is the branding given to our BS 5534 graded roofing battens, which are coloured red to help identify the batten as graded on site. It is part of the trademark that sets the JB battens apart. … This gives a straight distortion free batten that is light to handle and meets the required moisture content in BS 5534.
Why are roof battens blue or red?
The original idea behind putting a dye into the battens’ preservative treatment was to make “graded” battens stand out from the usual, “ungraded” ones (which usually look a bit green in colour, on account of the type of preservative used) and for that reason, the colouring process was originally very successful – with …
What are roof battens made of?
While roof battens are most commonly made of metal or wood, they can be made of other materials like plastic or composite. There are several different types of batten, some combine two materials to get the needed affect.
What are Type A battens?
These Green Treated Battens are Type A and are ideal for a wide range of construction applications. Green wood is freshly cut and will have a high moisture content compared to seasoned timber. The green treated battens are flexible and soft making them a great choice for lathe and chisel work.
Does my roof felt need replacing?
After 20 years of exposure, cracks begin to appear, making your roof highly prone to leaks. While it is possible to replace small patches, replacing the felt entirely will prolong the life of your roof and prevent further damage to your property.
How long does a felt roof last?
What is the lifespan of a felt roof? A felt roof will last somewhere between 10 and 20 years. The older pour and roll method of installation has now been superseded by torch-on felt which is melt welded on to a flat roof.
Why is some timber blue?
The blue colour is a dye or pigment used to show that the timber has been treated. The blue dye/pigment is not dangerous.
What is BS8417?
BS8417 is a code of practice and advises on the choice of timber species and the use and application of wood preservatives depending on the end use. … Refers to how easily timbers can be penetrated with vacuum pressure preservative treatments.
What is tile Batten?
Battens are the lengths of wood that are laid in-between the rafters to secure the roofing felt and to accept the tiles or slates when they are fitted. … They are used to locate the roof covering in straight, consistent rows, and provide a strong anchor for the nails or clips used to secure the tiles or slates.