if the gap in between the deck boards is too narrow use the saw guide by lounsbury products. this circular saw attachment will make it easy to widen the gap.
i built a wooden deck with pressure treated pine a few years ago. since the wood was wet, i butted the boards together assuming that there would be some shrinkage. unfortunately, this did not happen and there is virtually no space between the boards for drainage. if i use a circular or jig saw to cut a space, would this ruin the integrity of the wood and allow in more moisture or would it be
re: enlarging a deck gap if you're going to try to use a router use a plunge router and make a jig that fits onto the base. a simple sheet-metal t fastened to the base would work, something thin enough to fit in the slot between the boards. you might do this after running a quick slot down with a saw.
re: enlarging a deck gap the problem with this deck is its a wrap around deck close to 1100sf its mahogany with rustic channel skirting. the elevation goes from 2 ft in the front left grade and continues around the house to the right side.
spacing for movement. as you plan the gap between your boards, youll want to carefully consider the humidity level and time of year, as well as the species, realizing which direction the movement will go. for instance, if you are installing a deck in a humid climate during the summer, realize that the boards are as swollen as they will get,
if deck boards are dry before installation and they sometimes are , installing boards tight will mean they stay more or less tight. thats bad because it traps moisture and dirt, promoting rot. then again, if you space wet boards 3/16 inch right from the start, gaps will open up way more than ¼ inch and look terrible.
leave gaps between deck boards to achieve drainage. there is no change in the total mass when snow or ice melts to liquid water form. the density of water in solid form is slightly less 0.9167 g/cm 3 than in liquid form but the total number of water molecules does not change when snow melts.
leave a gap between pressure treated deck boards when the wood is wet. whether to leave a gap between pressure treated wood deck boards depends on how dry the wood youre using is. leave gap: if the pressure treated wood has been kiln dried after treatment kdat , leave a 1/8 gap the thickness of an 8-penny nail between the boards when attaching, since the wood will expand slightly over time.
the saw guide is for widening the space between deck boards . a simple remedy to widening your deck board problem is the saw guide. take action today fix your deck by widening the gap between your deck boards. you can easily widen the gap between deck boards to allow water to drain by cutting along the sides of the deck boards.
you can absolutely widen the gap with a circular saw. set the depth just 1/16th inch more than the thickness of the deck boards. your challenge will be to cut in the center of the groove. if you take your time, you should do fine. cutting the boards will not affect the chemical composition at all.
larger gaps, such as 1/4 allow more of this material to fall through the deck. ventilation below the deck is also enhanced by the gaps between the deck boards, but this is only important in ground-level decks. for lumber decking, the moisture content of the lumber and the environment its installed in matter.
spacing between deck boards provide a few critical functions. the primary function is to drain water from the deck. gaps that are narrow 1/8 , can catch debris, specifically on top of the joists, and can be difficult to clean out. larger gaps, such as 1/4, allow more of this material to fall through the deck.
pine needles and other debris are building up between the deck boards and im concerned about moisture build-up and rot. in this video i offer up two deck repair options to assist lydia, from toronto, on creating wider gaps between the boards of her three year old cottage deck. featured video. click here to read .
tools and tips for proper deck board spacing. the sweet spot most people agree that 3/16 is a good gap between boards. going more than a ¼ may get a little too wide. the width of a nail head is just about right. treated lumber usually treated lumber will have some shrinkage so you can butt the boards almost right against each other during installation.