How Many Screws For 140mm Decking
Say you need 500lm of decking divide that by 450 which is your standard joist spacing.
How many screws for 140mm decking. These are also known as 14 gauge but are usually labeled as. To be specific 8 gauge roughly equals a diameter of 4 mm. Your list of materials required is below. If you aren t using these standard sizes use an online deck calculator to determine how many you ll need.
Screws or nails at butt joins should be at least 12mm from the end of the board and pre drilling is recommended to prevent splitting. Fixings must be long enough to achieve a minimum of 30mm framing penetration. 90mm boa r 140mm boa rd 5. The basic rule of thumb here is 350 screws for every 100 square feet of deck surface for standard 6 wide boards 5 5 actual width and 16 spaced joists.
How to screw deck boards. Decking should be fixed at every joist with at least two fasteners. If we divide those values by 100 we can say that we need 3 5 screw for 1 square. For calculating the number of screws or nails needed we follow the rule of a thumb that you need 350 screws for every 100 square feet of decking.
Though there are building codes dictating many aspects of deck construction to insure the finished deck is safe and solid there is no specific distance required for the spacing of screws attaching deck boards to the joists. The decking is supplied in the lengths that suit your job these are calculated as covering 150mm 145mm for the board and 5mm gap for expansion and contraction any decks over the 5 4m long that are required are given in 4 8m lengths so there is as little joins as possible. Thank you for using our decking calculator. An email has been sent to your selected email.
If using structural wood screws then you ll likely be using diameter screws. For deck screws you are likely looking at either 8 or 10 gauge screws. Because it s not addressed in the codes screw spacing is inconsequential.