Setting Deck Posts On Concrete Slab – Why don’t we begin first we should appraise the area can it be a turf or concrete base underneath the decking a turf base will should be dug off and membrane put underneath the decking you can and really should put membrane under any decking project to stop any weeds penetrating through, where will be the damp course levels as we do not want those times over the damp course ideally those times should be two bricks below the damp course. And is there any drain access points underneath the decking since these will be needing a particular decking drain cover. Always remember the decking boards go horizontal along the house. Always remember decking higher that 1.2m over walk out will be needing planning permission
Now we’ve assessed these factors they’ll decide the height of those times and then for any special requirements that should be incorporated to the decking project. Estimation of materials first appraise the area of the decking i.e 4.8m x 4.8m = 23.04sq meters. Then make use of this equation to calculate the decking boards needed 4800mm / 140mm (deck board width which can be 4.8m long) = 35 decking boards. Add a little for cuts and edges that should be filled in. Then calculate the strain bearing supports (4 x 2 pressure treated CLS) 4800 / 600 = 8 This the number of horizontal 4 x 2 pieces needed for your internal structure of the decking as well as the outside of the frame i.e. 4800 x 4 = 19.2m + (8 x 4800) = 58m of four years old x 2. Add some for your cross member struts and positioning pegs (banged and concreted if required to the ground) about three or four 4.8m lengths should suffice.
Setting up the frame this should be done near or as close for the position of the final deck. Start by cutting the ends of the required wood square this can help with the construction of the frame always cut the items of wood a similar length since the frame will not be square if the wood is of different lengths. Then join the corners of the frame by piloting the holes for your 4 inch screws to become screwed into wood. Once this is achieved you need to get the frame square, using an engineers square install it in a single corner and move until square. Then screw a batten inside corner to keep the corner square make this happen for all those corners. Then measure internally from your horizontal of the frame the location where the load bearers are getting divide this measurement by 600mm this may provide you with an identical spacing for your struts. Next screw theses in position it is simpler to place a length of wood underneath the frame while carrying this out to have the edges to satisfy. Once this is achieved appraise the cross member struts three feet is all about right for your spacing of those. They go vertically along those times frame stepping out then in to allow for screwing.
Placement of those times, get those times into position with the help of the friend. Then start inside highest corner of those times and bang a bit of cut 4 x 2 (depending for the height of those times cut accordingly) to the ground having a large sledge hammer. Once done lift those times into position and screw together having a 4 inch screw. Now work along those times for the next horizontal corner lifts the corner and so the frame is level and do a similar. Now work down the front have a slight lean away from your house or make sure whichever way the boards are running tip those times and so the water runs out of the surface. Then work your way across those times ensuring that that any weak spot is supported by banging a piece of four years old x 2 to the ground beneath it. Once this is achieved test the strength by walking down the struts showing any weak spot no problem excessive since the decking boards will strengthen the decking once they are fixed for the frame.
Today we cut and fit the decking boards for the frame. Make sure all of the edges of the decking are cut square before cutting for the correct length. This will aid construction and overall Finnish of the decking project. Start having a full length of decking ensuring that the final meets the frame or cut the board for the nearest beam and fix the board having a Paslode nail gun using 50mm nails or pilot and countersink holes and screw the boards screwing is way better lasting but nailing is faster and simpler. Work along those times spacing having a 5mm nail banged right into a piece of four years old x 2, this may ensure the gap remains a similar. Always remember to stagger the joints of the decking every other board and so the joints blend to the decking. Once you decking boards are fitted then fit any surrounding decking boards for the edges to hide up any of the frame work and appearance for any boards which may have splinters and sand these down if you can.