There are several important things to know about matching existing roofs and how to do it depending on what style of roof you have the roof truss design and how you want to add on.
How to extend a shed roof.
Set 4 by 4 inch posts at each end of the shed and as far out as you want the lean to to extend.
How easy difficult would it be to extend my wooden garden shed its an 8ft x 6ft apex roof type it would have to be extended the 8ft long way and at the rear end not the door end to be extended to approx 11 12ft long.
After installing the rafters we still had to extend the porch roof back over the shed roof creating a valley on either side.
6 to 8 feet is best.
That s a simple low cost solution that can tie in well with the main house.
For gabled roofs the roof rafters extending beyond.
If you re adding to the gable end of the house the side wall that goes up to the roof s peak it s fairly easy to extend the existing roofline over the new space says curt schultz a realtor architect builder in pasadena calif.
The size of the roof overhang you choose depends largely on the style of your shed s roof.
The easiest to extend would be if the roof is a series of individual trusses at say 16 centres.
Set center posts if the shed is 8 feet long or two intervening posts if it is longer.
Adding on to a house or structure is a great way to get more room without building an entire new house.
The first thing to do is to take a look at the roof of the shed.
To keep the porch roof framing as simple as possible we installed a structural ridge supported by posts at each end with the common rafters landing on top of the ridge.
I m fairly handy diy er.
Looking at the existing roof will also give you an idea of timber sizes and how the members are connected.
What is the roof structure.
Problems i foresee would be the joining up of the sides and roof.
If you listen closely you can hear rpeek s influence update 21 apr 2019.
With a flat shed roof the roof simply extends past the wall plate to provide an overhang.
They extend diagonally so that one end or both of a rectangular shed roof is slanted perpendicularly to the gable roof in the midsection of the shed.
Just needed a little extra storage out of the rain.
Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage.