Deck Stairs Ground Contact
But in 2016 the American Wood Protection Association AWPA changed its standard to recommend ground-contact treated lumber instead of above-ground treated lumber in a number of circumstances several of which apply to grade-level decks.
Deck stairs ground contact. Ground Contact - Outdoor Stair Stringers - Deck Stairs - The Home Depot. According to their latest recommendations Ground Contact should be used when. 8 of 2 x 6 by 8 lumber for stair treads.
If the answer to those is yes then you should probably pour proper footers. 2 of 2 x 4 by 10 lumber for the rails. Measure out from the deck to locate the proposed total run working from the post or posts that will support the stairway.
When leaf litter soil or other debris may build up under the deck. Wood will come in contact with soil vegetation leaf litter and debris that can hold moisture for extended periods of time. The footings will make full contact with the width of the baseplate providing an excellent opportunity to fasten your stairs to the footings.
As mentioned above the base plate is the horizontal piece of wood usually a 24 that connects the stringers at the base of the stairs. Ad Improve Your Business ROI - Get A Better Deal On Stair Tread. Ad Improve Your Business ROI - Get A Better Deal On Stair Tread.
If not I would bet a piece of paver or similar under each stringer will be adequate. Severe Weather Ground Contact pressure treated exterior wood protected. Ground contact treatments are not suitable for direct contact with aluminum or un-coated metal products.
When there is low air circulation. 2 of 4 x 4 by 8 lumber for the posts. 30 of 48 spindles.