In most cases, irrespective of rafter spacings, 50 x 25mm battens should be used for our standard preholed fibre cement slates. Where BS 5534 suggests 38 x 25mm battens are acceptable, the slates should only be laid with 100 or 110mm lap.
How much batten do you need for slates?
In most cases, irrespective of rafter spacings, 50 x 25mm battens should be used for our standard preholed fibre cement slates. Where BS 5534 suggests 38 x 25mm battens are acceptable, the slates should only be laid with 100 or 110mm lap.
How do you calculate batten?
Deduct the length of the gutter overhang and the length of the nib from the length of the tile. For example, if the tile has a length of 16 inches, the overhang is 3 inches and the nib is 1 inch, the result is 12 because 16 – 3 – 1 = 12. This is the distance to the next batten.
How do I work out how many roof battens I need?
Measure from the top of the lowest batten to the top of the highest batten, then divide this number by the maximum gauge recommended by the manufacturer, and round this up to the nearest whole number. This will tell you how many courses are needed to tile your roof.What size are slate battens?
Slate battens are available in 4.5m x 38mm x 19mm or 4.8m x 50mm x 25mm lengths.
How do you work out a slate Headlap?
The roof calculations are simple enough. If you subtract the headlap from the length of your slate, then divide the remainder in two, you have your slate exposure or course spacing. For example, a 20” long slate with a 4” headlap would have an 8” course spac- ing (20” – 4” = 16”/2 = 8”).
How do you work out batten spacing for slates?
Measure between the top of the top batten and the top of the lower batten and this divide this measurement by the manufacture’s ‘gauge’ – this will give the number of slates/tiles rows need to cover the roof. This number is very unlikely to be a whole number, so round the number up to the next whole number.
How far apart should battens be on a roof?
Battens should be fixed to rafters set at centres not more than 600mm apart. They should span at least three rafters and be at least 1.2m long.What size should battens be?
A true batten is 2-inches in width or smaller, but you can use larger widths by installing trim in place of a batten if you want a thicker appearance. They’re installed directly over the vertical panels to get the traditional look.
Do you need to counter batten a slate roof?The different shapes and sizes of the slates make it highly unlikely for water to get stuck, meaning there isn’t need for battens.
Article first time published onWhat size should a counter batten be?
Counter battens installed with rigid insulation material should be a minimum of 38 by 38mm fixed through the insulation into the structure below with helical fixings.
How thick is a tile batten?
And, as with all batten systems, you need to ensure you’re using the right fasteners for the job. Metal roof battens are usually 40mm high and made from 0.55mm gauge hi-tensile steel.
Can you walk on a slate roof?
Slate is hard-wearing and durable but it can easily crack under pressure. That’s why professionals use hook ladders, jacks and planks on slate roofing. This allows them to walk on the roof without putting any weight on it. … If you need a slate roof inspection, repairs or replacement, call us at Roofmaster today.
How long is a slate roof good for?
”Hard slate will last anywhere from 75 to 200 years, while soft slate will last only 50 to 125 years,” he said, adding that as a result, a homeowner trying to decide whether to repair, restore or replace a slate roof should first determine whether the existing slate is hard or soft. Generally speaking, Mr.
What is minimum pitch for slate roof?
Natural Slate: The general recommendation for the minimum pitch for natural slate is 25°. There are some manufacturers that can go slightly lower, such as the SIGA 56M Natural slate, which can go down to 20° in some instances if used with slate hook systems.
What pitch is required for slate roof?
Conventional low pitch slate roofs are recommended down to a minimum of 20° in areas of sheltered or moderate exposure, providing a 500x300mm slate is used and a headlap of 115mm. Higher exposure or different sized slates necessitated a greater roof pitch of 22.5° or more.
What is the minimum Headlap for a slate shingle installed on a roof with a slope of 6 12?
SLOPEHEADLAP (inches)8:12 < slope < 20:123slope ≥ 20:122
How much space should be between batten and board?
Typically, batten are spaced anywhere from 12” to 24” apart. I think it looks best to space them as close to 18” as possible, but that’s just a personal preference. Our wall is 164” wide, so we used 8 batten (for a total of 7 spaces) with a distance of 19.42 inches between each batten.
How wide should battens be for board and batten?
Traditional board and batten uses wide boards and overlying narrow battens. For this style, the vertical boards will range in width from 6″ to 12″ with a 1/2″ to 1″ gap between the boards. The narrower battens that overlay the boards will range between 2″ and 4″.
How is spacing for board and batten calculated?
Add 1 to your number of spaces to get the number of battens on the wall. Now multiply your batten width by the number of battens. Subtract that number from your total wall length. Divide that number by the number of spaces you calculated earlier, and THAT number will be your exact spacing between each batten.
What is the size of slate?
Standard slates are ¼-inch (0.64 cm) thick, plus or minus 1/16-inch. They vary in length and width by no more than 1/8-inch and have a relatively smooth face. In the past, standard slate tiles were available in up to 30 different sizes. Roofs with standard slates should look flat, even and uniform.
How long does it take to felt and batten a roof?
Generally, a roof job should take between 1 and 3 days.
How much should roofing felt overlap?
Always ensure there is at least 5cm of overlap between each sheet, and nail down the felt from the centre outwards as before.
Do I need to Counterbatten?
12 – Counter battens – If you’re using a vapour permeable (breathable) membrane with a close fitting roof covering, such as shingles, then it needs to be counter battened to allow ventilation of the batten space.
Why is roof batten 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.”
What size is a standard roof slate?
Slate roof tiles can range in size from 12” (length) x 6” (wide) up to 24” (length) x 12” (wide).
What size is tile batten?
BS 5534 version(pitched work)451 to 600 mm25×32Double-lap clay or concrete tilesUp to 450 mm19×38(vertical work)451 to 600 mm25×38Single-lap clay or concrete tilesUp to 450 mm22×38
