Gable Roof Shelter

A free-standing open pavilion with a gabled roof under shingles, a king post truss in each open gable, knee braces and post bases on a timber frame. Plan size, overall height and eave height, Roof overhang and board thickness, Post, header and rafter sizes and rafter spacing, Brace size and number of posts, Timber and roof covering finish

Details

Category: Gazebos › Gazebos and Garden Pavilions

By Huu Khanh Nguyen · Updated November 5, 2026

Parameters

Name	Default	Unit
Width	3861	mm
Depth	3861	mm
Height	4013	mm
Eave height	2565	mm
Roof overhang	406.4	mm
Roof board thickness	20	mm
Post size	203.2	mm
Header width	203.2	mm
Header depth	203.2	mm
Rafter width	101.6	mm
Rafter depth	203.2	mm
Maximum rafter spacing	609.6	mm
Posts along width	2
Posts along depth	2
Knee brace length	914.4	mm
Knee brace width	101.6	mm
Knee brace depth	203.2	mm
Timber	timberLogStainDarkOak
Roof covering	asphaltShingleCharcoal
slope	(sizeZ - shingleDrop - eaveHeight) / (sizeY / 2)
drop	roofThickness * Math.sqrt(1 + slope * slope)	mm
shingleDrop	5 * Math.sqrt(1 + ((sizeZ - eaveHeight) / (sizeY / 2)) * ((sizeZ - eaveHeight) / (sizeY / 2)))	mm