The cheapest ramp to build is the most expensive one to own

What is wooden ramp construction?

A wooden ramp is framed and decked from lumber on site, like a long narrow deck with a slope. It is normally the least expensive way to get a compliant ramp built, it can be fitted precisely to an awkward site, and it looks more like part of the house than a manufactured system does. The cost that does not appear on the quote is upkeep: timber in contact with ground and weather needs sealing, fastener checks and eventual board replacement, and untreated wet timber loses traction long before it loses strength.

Signs you need wooden ramp construction

• The budget will not stretch to a manufactured system and the need is real now
• The site is awkward enough that stock sections would waste most of their length
• The household wants the ramp to read as part of the house rather than as equipment
• There is an existing timber deck or porch the ramp should tie into and match
• A local volunteer, church or nonprofit ramp-build programme has offered to build one
• The plan is a permanent ramp on a house the family expects to stay in for many years
• A HOA or a neighbourhood expectation makes a painted or stained timber structure much easier to get agreed

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How wooden ramp construction actually works

1. 1

   Design to a named standard, and to your frost depth

   The geometry - slope, landings, width, rails, edge protection - comes from published accessibility standards and your local code. The foundations come from your climate: the depth posts must reach to sit below the frost line is a local figure your building department and any local contractor will know.

   Watch forPlans downloaded from elsewhere in the country and built as drawn. Frost depth is regional, and a footing that is fine in one state heaves out of the ground in another.

2. 2

   Set the footings or piers properly

   Holes dug to the required depth, concrete or piers placed, post bases set so the timber does not sit in standing water. This is unglamorous, invisible when finished, and the single biggest determinant of whether the ramp is still level in ten years.

   Watch forPosts set directly into the soil, or into concrete poured around bare timber. Both trap moisture at exactly the point where rot starts and where nobody will look until it fails.

3. 3

   Frame with the right lumber for ground contact

   Pressure-treated lumber is rated differently for above-ground use than for ground contact, and the parts near or touching the earth need the ground-contact rating. Cut ends of treated lumber expose untreated wood and should be field-treated as the frame goes up.

   Watch forAbove-ground-rated lumber used for posts and low framing because it was cheaper. It is a hidden substitution that only shows up as soft wood at the base years later.

4. 4

   Use fasteners and hardware rated for treated timber

   Modern treatment chemistry attacks ordinary fasteners. Hot-dip galvanised or stainless hardware and hangers rated for use with treated lumber are what keep the connections sound.

   Watch forBright or electroplated screws and unbranded hangers. The frame will look identical on completion day and the connections will be corroding from inside the wood.

5. 5

   Deck it, and deal with traction deliberately

   Wet timber is slick, and this is the honest weakness of a wooden ramp. The usual remedies are running the decking across the ramp rather than along it, a small gap between boards so water drains, and a grit-loaded coating or adhesive grip strips on the running surface.

   Watch forA smooth-planed, tightly-butted deck finished with a glossy sealer. That is a beautiful surface and a genuinely dangerous one in rain.

6. 6

   Build handrails somebody can actually grip

   A handrail is a rail you can wrap a hand around and slide along, not a wide flat board on top of a post. It needs to be graspable, continuous where it can be, splinter-free and firmly anchored - people put real weight on it, particularly on the way down.

   Watch forA rail that flexes when you lean on it, or a rough-sawn top edge. Test it hard yourself before the crew leaves.

7. 7

   Seal it, and then put the next seal in the diary

   New treated lumber usually has to dry before it will take a finish, so the first sealing often happens some months after the build. After that it is a recurring job, and the schedule depends on your climate and exposure.

   Watch forA crew that seals brand-new wet treated lumber on the last day to make it look finished. The coating will not bond and it will peel through the first winter.

8. 8

   Set up the yearly inspection while you still remember

   Once a year, in spring: press a screwdriver into the timber near the ground, check every fastener, shake the handrails, look at the landing for settlement and check the grip surface has not worn through.

   Watch forTreating a wooden ramp as finished. It is the one material that is not - and the failures are gradual, which is precisely why they go unnoticed until someone falls.

What does wooden ramp construction cost?

Timber is typically the lowest upfront route to a full-length ramp, which is why most volunteer-built ramps are wooden. Judge it on lifetime cost instead: sealing every few years, fastener checks and eventual board replacement are real recurring expenses. The Cost Guide sets out ranges by material.

See the full wooden ramp construction cost guide - by material, size and region →

If the number is the problem, here are the ways people pay for it →