36x40 RV Garage

This page is ordered around retrieval, because a building holding several vehicles is judged by what it takes to get the one at the back out.

The 36-foot width takes 2 storage lanes across, but the 40-foot length does not complete a full row once 12 feet of circulation is deducted — the depth is the binding dimension here.

Read this footprint through its span. 36 feet across is the fixed constraint; 40 feet of length is the negotiable one, and at 1.11 to 1 the building is close to square, so movement runs in both directions. Doors and their approaches decide more about daily use here than the enclosed area does.

A 36 by 40 footprint is a near-square plan: 1,440 sq ft enclosed by 152 ft of wall, at a 1.1:1 length-to-width proportion. Along its 40 ft dimension it takes 1 run of storage lanes at 46 ft, leaving -6 ft over — the -6 ft is where the argument about this size actually happens. Storing several vehicles turns the building into a retrieval problem. Depth is cheap and access is not, so the plan is written around the least accessible position rather than the total count. Slab thickness and any structural provision are engineered for the vehicle weights involved.

This footprint is planned as several recreational vehicles and trailers kept together. At 1.11:1 the plan is close enough to square that neither width nor depth is doing the arguing; what decides the layout here is where the openings go, because no proportion is forcing a direction on the floor. Spent as a square 38 by 38 instead, the same 1,440 sq ft would stand 1 storage lanes across rather than 1, and would trade this plan's length for parallel access. That is the width-against-depth decision this footprint has already made. At this scale the building is usually operated by one or two people who know where everything is, so the plan can be loose and the doors matter more than the divisions. Seasonal in and out for some vehicles, rare movement for others, which makes position assignment part of the design rather than a habit. Door hardware and track arrangement consume clearance that is easy to forget at design.

At 20-foot nominal bays the structure works with the layout instead of against it: one storage lane per bay line, walls free of awkward half-positions. Two operations of the same size can want opposite plans, so the arithmetic below is a starting point rather than a recommendation.

One row deep keeps the layout honest — no aisle to protect, no rear zone to serve, and the full 40-foot length available along the wall. An empty building looks generous and a working one rarely does; plan against the working state.

Extension is cheapest along the 40 ft dimension, where each added bay repeats work already framed; widening past 36 ft is a different frame rather than a longer one. Growing to 36 by 86 adds a 2th run of storage lanes — useful if the constraint is storage lanes rather than the -6 ft already spare at the far end.

Configured as several recreational vehicles and trailers kept together, 36x40 is judged on whether the 0 storage lanes it holds match the operation, and on whether the 8 feet of spare width leaves the route this mode depends on.

• Does the work need two parked lanes with a walking gap between them, or one lane and a deep work zone, or does it need a second lane that this 36-foot span cannot give?
• Is the 40-foot length being bought for depth, or for the repeated bays — three or four repeated frame bays, which sets a clear grain for partitions and rack lines?
• What is the vehicle's height with roof equipment, and what margin does the door include?
• Does the length allow walking around the vehicle, or only parking it?

The 36-foot gable can carry 2 openings, one per storage lane, with 8 feet of wall left for piers between and beside them — the arrangement that keeps each position independently reachable. Neighbouring buildings, setbacks and the approach road often decide the orientation before the plan does.

Door count and placement decide the retrieval order permanently. One door means one order.

The storage pattern this building could equally be arranged for is a coach bay with a working area kept for maintenance on the vehicle: the bench is only reachable when the coach is out, which is the same as not having one. Dividing the 1,440 sq ft by the 14 by 46 ft storage lane gives roughly 1 positions before circulation is deducted a second time for cross movement. Whether the plan keeps 1 or drops to 1 comes back to the question this footprint is really answering: what does it take to get the vehicle at the back out in February?

Depth arithmetic leaves a working end zone here. 1,008 square feet sits past the last row, which is why 36x40 tends to be planned with a manoeuvring lane inside the building so a rear vehicle can be extracted without a full unload designed in rather than added later. The building is fixed for decades while the operation inside it changes every few years, and the plan has to survive that.

Spare width is the more valuable of the two leftovers here: a continuous 8-foot strip beats the same area stranded at the end of the run, because it touches every position along the way. The floor treatment is a use decision that outlasts most of the equipment standing on it.

At 1.11:1 the plan is close enough to square that neither width nor depth is doing the arguing; what decides the layout here is where the openings go, because no proportion is forcing a direction on the floor. Spent as a square 38 by 38 instead, the same 1,440 sq ft would stand 1 storage lanes across rather than 1, and would trade this plan's length for parallel access. That is the width-against-depth decision this footprint has already made. At this scale the building is usually operated by one or two people who know where everything is, so the plan can be loose and the doors matter more than the divisions. Seasonal in and out for some vehicles, rare movement for others, which makes position assignment part of the design rather than a habit. Door hardware and track arrangement consume clearance that is easy to forget at design. That movement pattern, not the 1,440-square-foot total, is what decides whether the leftover 28 feet is useful here.

The stored configuration carries a 14-foot eave and computes to 18.5 feet at the ridge on a 3:12 pitch — a 4.5-foot rise across 36 feet. Height is therefore not uniform, and the sidewall is the constraint. Ground conditions and drainage decide the floor before the frame does.

Height on a 36 ft span is a separate decision from the 40 ft length, and it is the span that sets the frame's behavior. Raising the eave over 1,440 sq ft affects every bay along the 40 ft dimension, so the test is whether multi vehicle rv storage genuinely needs the extra clear height or only the floor area.

Insulation matters if the building is worked in during cold weather, and it also affects condensation on a large stored vehicle.

• 12x20 holds the same 0 storage lanes but changes the leftover depth by -14 feet, which is where the difference is actually felt.
• 12x24 holds the same 0 storage lanes but changes the leftover depth by -16 feet, which is where the difference is actually felt.
• 16x20 holds the same 0 storage lanes but changes the leftover depth by -16 feet, which is where the difference is actually felt.

Because this footprint is planned as several recreational vehicles and trailers kept together, the useful next reads are different from the ones a differently shaped rv garage suggests: multi vehicle rv storage, retrieval order, internal manoeuvring lane.

Quantities, not prices, are publishable here: roof cladding runs 1,484 square feet — 3% above the 1,440-square-foot floor at a 3:12 pitch — with 17.8 cubic yards of nominal slab beneath it. The plan should survive the day the largest item the operation owns has to come inside.

Doors and the manoeuvring area are the cost of accessibility. Deep storage without them is cheap and unusable in winter.

• opening height and the eave height it forces
• length including tow vehicle or towed unit
• a hook-up point and interior power
• the approach and apron for a long vehicle