Paver Sealer Calculator
Calculate paver sealer gallons, whole containers and material cost from your prices; separate the material purchase from an installed quote.
Read the paving sealer label before buying
Decide whether your task is surface sealing only or also stabilizing joint sand. These can use different quantities of the same product. Do not copy a wood-stain coverage rate or assume that every sealer works over every existing finish.
A product example with two different jobs
The SEK-Surebond SB-1300 product page, checked November 3, 2026, lists one-coat coverage of 80–120 sq ft per US gallon with joint stabilization and 150–300 without it. The manufacturer calls for a test area to check suitability and appearance. This is a label-reading example, not an endorsement or a specification for your paving.
Document discrepancy: the manufacturer's August 2023 application sheet lists 150–250 for sealing without joint stabilization. Do not silently choose the larger number because it buys less liquid. Confirm the applicable instructions for the product you will receive; keep the document date with your estimate.
Reproduce the purchase difference
Use a hypothetical 20 × 20 ft patio: 400 sq ft, one surface, zero extra area, one coat, zero extra allowance and 1 US gallon containers. The zero allowance isolates the coverage comparison; it is not a recommendation to omit a real reserve.
- Joint stabilization at 80 sq ft/gal: 400 ÷ 80 = 5 gal, or 5 containers. At 120: 3.3333 gal, rounded to 4 containers.
- Surface-only at 150: 2.6667 gal, rounded to 3 containers. At either 250 or 300: 2 containers, although the unrounded liquid requirement differs.
Enter each rate separately in the quick calculator and download each estimate. Keep coats at one for this example. The 2-container surface-only outcome cannot replace the 4–5-container joint-stabilization estimate merely because it is cheaper. An extra percentage does not correct the wrong application category.
Resolve compatibility before the order
- Record the paving material, existing finish, chosen product and intended result. Obtain the manufacturer's answer if compatibility is uncertain.
- Read the exact preparation, drying, application and joint-material instructions. Complete the permitted test area before committing to the whole surface.
- Record whether coverage is per coat or for the whole application. If it already describes the full application, setting two coats double-counts it.
- Use your confirmed range and application count; compare rounded containers and usable surplus. Keep cleaning, stripping, sand replacement, labor and tax separate.
If compatibility or the application instructions remain unresolved, hold the purchase. This calculator does not determine whether sealing is necessary or certify slip resistance.
Next: use the material-versus-installed-cost example and quote scope checklist. If replacing joint sand, confirm the compatible jointing system first; the polymeric sand calculator estimates only a product you have independently selected, not a default companion to this sealer.
Sealer product review: November 3, 2026. Examples are calculations, not reports of completed jobs.
Material-choice review: November 2, 2026. These are planning choices, not a site inspection or a drainage specification.
- Surface area
- 192 sq ft
- Liquid required
- 1.056 US gal
- Purchased volume
- 2 US gal
- Purchased surplus
- 0.944 US gal
- Material subtotal (entered price only)
- Not supplied
Whole packages round up. Prices include only the items you enter. Delivery, tax and installation may be extra.
Paver sealing cost: material purchase versus installed quote
This tool calculates sealer material cost from your price per container, not a local contractor price. In this hypothetical example, 200 sq ft, two coats at 200 sq ft per US gallon per coat and 10% extra require 2.2 gallons. Buying three 1-gallon containers at an invented $45 each costs $135, with 0.8 gallon left beyond the modeled requirement. The liquid-only amount of $99 is not the whole-container purchase.
The equivalent material purchase is $135 ÷ 200 = $0.675 per sq ft for this example only. Do not present that as an installed sealing rate. If your label’s coverage already includes the complete application, enter one coat; multiplying by two would double count it.
Compare contractor quotes on the same scope
- Surface area, paver material, product, finish and application schedule.
- Cleaning and drying; stain removal or stripping existing sealer where required.
- Joint-sand repair or replacement, separately identified.
- Labor, equipment, access, delivery, tax and minimum job charge.
Ask which of these are included. If a contractor quotes an all-in total, do not add this material subtotal again. For a materials-only comparison, change the container size and price together, recalculate the rounded purchase and consider whether surplus is usable. Keep the written quote with the supplier checklist; this estimate does not assess compatibility, slip resistance or whether sealing is appropriate.
Loading replaces all quick-estimate inputs with this hypothetical example. It does not change the independent project worksheet. Edit the assumptions for your project, then use Download estimate to keep the inputs and result.
How to calculate
Use the first- and later-coat coverage rates. If the product label gives a combined coverage for the entire application, enter one coat to avoid multiplying twice.
Worked example
Length (ft): 16 · Width (ft): 12 · Faces / sides: 1 · Extra surface area (sq ft): 0 · Coats: 1 · First-coat coverage (sq ft / US gal): 200 · Container size (US gal): 1 · Extra material (%): 10.
These inputs produce 2 containers to order. Change the measurements above to match your project.
Measure the right surfaces
Measure the surfaces to be sealed and use a coverage rate appropriate to the paver material and application method. Leave faces at one for a flat patio. Add steps or vertical faces by their measured area, and enter the container size in US gallons.
A second example you can check
A 200 sq ft surface at 200 sq ft per gallon per coat takes 1 gallon for one coat. Two coats and 10% extra require 2.2 gallons. With 1 gallon containers, buy 3; with 5 gallon containers, the tool returns 1 container but 2.8 gallons remain beyond the modeled requirement.
Where estimates go wrong
Some label coverage figures describe the full recommended application, not each coat. Multiplying such a figure by a second coat counts material twice. Surface porosity can also change consumption substantially; a test patch is more meaningful than an unrelated national average.
Build your supplier order
Confirm compatible surfaces, cure and drying conditions, slip characteristics, finish appearance and recoat instructions on the selected product. The tool estimates liquid quantity; it does not determine whether sealing is appropriate for a specific surface.
Paver Sealer: practical questions
Can I use a combined application coverage?
Yes: enter that coverage and set coats to one so the calculation does not multiply the complete application twice.
Is a larger container cheaper?
Not necessarily. Compare price per container against the rounded container count and usable leftovers, rather than comparing gallon prices alone.
Inputs and references
SEK-Surebond SB-1300 product information — Application category changes coverage. See the paving-specific guide above and confirm the instructions for your product.
YardTakeoff · Revised October 22, 2026 · Formula checks and scope · Report a calculation error
Plan the whole order
Paving sealer: product label, application and container guide · Compare quote scope