Skylight Calculator & Material Planner
Window units, perimeter flashing, curbs and shaft lining.
Project estimate
Skylight Planner
$859–$988
Material estimate + optional reserve · USD
- Glazed opening area
- 8 ft²
- Working time allowance
- 0.56 days
9 person-hours / 2 people / 8 h per day. Provisional activity rates; adjust in advanced options.
Excludes labor, tax, delivery, equipment rental, permits and site work. Sample prices are not live retailer quotes. Upper budget includes 15% contingency.
Cost breakdown
- Window
- $600
- Flashing
- $150
- Framing
- $42
- Lining
- $32
- Sealing
- $35
Shopping list
0 / 5 checkedWhole packages rounded up. Edit a unit price to use your supplier's quote.
Window
Skylight units
1 units
$600$600 per units
Flashing
Matched flashing kits
1 kits
$150$150 per kits
Framing
Curb framing allowance
14 ft
$42$3 per ft
Lining
Shaft drywall (32 sq ft)
2 sheets
$32$16 per sheets
Sealing
Air / water sealing kit
1 kits
$35$35 per kits
Save this project
Saved on this browser only. No account required.
Assumptions & project notes
- Material allowance: 10%. Package sizes and coverage rates are editable in the inputs.
- This is a quantity takeoff, not structural sizing. Member sections, support spacing, connections, soil bearing and footing dimensions must come from an approved design. Defaults are illustrative.
- Header requirements and roof-opening framing are not inferred from window area.
- Check final dimensions, product specifications and any required local approvals before ordering.
Tools & preparation
- Tape measure, straightedge and level
- Marking and layout tools
- Suitable cutting and fastening tools
- Product-specific preparation and finishing tools
A preparation list; confirm installation tools with your selected products.
How to use the skylight planner
Start with opening length, opening width, light shaft depth, skylights. The result includes glazed opening area. Open advanced options to match your product sizes, material allowance and labor expectations.
1. Measure and specify
Measure each room or surface and identify openings, edges, fixtures and transitions.
2. Adjust the estimate
Check package coverage, material orientation, pattern alignment and substrate requirements.
3. Prepare your order
Review full-piece cuts and matching accessories; order from consistent product batches where needed.
4. Plan the work
Prepare the surface and follow the product installation and finishing sequence, including drying or curing periods.
Frequently asked questions
What does the skylight planner estimate?+
Window units, perimeter flashing, curbs and shaft lining. The shopping list includes skylight units, matched flashing kits, curb framing allowance, shaft drywall (32 sq ft), air / water sealing kit.
Which assumptions should I check?+
This is a quantity takeoff, not structural sizing. Member sections, support spacing, connections, soil bearing and footing dimensions must come from an approved design. Defaults are illustrative. Header requirements and roof-opening framing are not inferred from window area.
Are the prices current supplier quotes?+
No. Initial unit prices are illustrative USD budgeting inputs. Enter a price beside each material to use your own quote. The total includes materials only; labor, shipping, taxes, permits and rental are excluded.
Can I save or share my project?+
Save stores the inputs and prices on this browser. Share link includes the configuration in the address so another device can reopen it. Download CSV exports the shopping list, and Print / PDF opens your browser’s print dialog.