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Exo-thatch · Synthetic Palm

Roof calculator made simple

Estimate exactly how many Field, Hip and Ridge boxes you need for your project — based on manufacturer specifications, automatically adjusted for your roof pitch.

1 Roof type

Pick the shape closest to your structure.

2 Roof pitch

Steeper pitches need fewer palms. Shallow pitches need more for proper water shed.

Pitch

6/12

Angle

26.6°

Palm density

Standard

Rise (inches)

in

Vertical rise per 12" horizontal run

Or enter angle (°)

°

Slope angle in degrees

⚠ Pitch below 4/12 (18.4°) is not recommended by Exo-thatch. Water infiltration risk is significantly higher.

3 Roof dimensions

Enter the slope surface area directly, or let us calculate it from your footprint.

Total slope surface area *

sq ft

Total area of all sloped roof surfaces (not the ground footprint). Add up length × slope-length for each slope.

Footprint length *

ft

Footprint width *

ft

Horizontal ground dimensions of the structure. Slope area is auto-calculated based on the pitch above.

Calculated slope area268 sq ft

Total hip length

ft

Sum of all diagonal hip lines (where 2 slopes meet at an angle).

Ridge length

ft

Horizontal line at the very top of the roof (peak).

4 Waste factor

Recommended: 10%. Increase for complex roofs with many cuts.

Extra buffer10%

Your estimate

Recommended quantities including waste & pitch adjustment

FieldMain panel · 39.4" × 26.4"5.5 pcs/sq m

0 pcs

0 box(es) · 10 pcs/box

HipHip line · 33.5" × 25.6"

0 pcs

0 box(es) · 10 pcs/box

RidgeTop cap · 39.4" × 19.3"

0 pcs

0 box(es) · 1 pc/box

Total pieces0

Total boxes to order0

Slope area covered0 sq ft

Pitch adjustment+0%

Order on Exothatch →

Calculations based on Exo-thatch official installation specs: base density 0.464 pcs/sq ft (5 pcs/m² for 39.4"×26.4" Field panels), batten spacing 8.7", horizontal overlap 2", vertical offset 8". Density is automatically adjusted based on roof pitch — shallower pitches require tighter battens to ensure water shed. For complex projects, validate with a certified installer.

Exo-thatch · Synthetic Palm · US +1 561-260-8333 · info@exothatch.com

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Any Question ?

You can reach us at +1 561-260-8333 for any questions or information. We are here to assist you!