Build an insulated A-Frame doghouse for under $75

Step 3 Attach end-cap and shingles

Attach drip-cap along all edges of the roof with roofing nails. Make a starter coarse of shingles along the bottom of one side of the roof attaching it with roofing nails, then lay the first course of shingles directly over it. the nails should be placed along the tar section of each row and above each tab. Trim shingle material that hangs over the drip-cap. Start the next row of shingles with the tab staggered half-way between the first shingle tabs. Line up the base of the second row of tabs with the top of the tabs on the first row. Repeat this until you get to the top of the roof section. Trim the extra material off. Repeat shingle installation for the other roof section. For the ridge cap, take leftover shingles and cut the tab sections off and attach them on the ridge perpendicular to the ridge line. Overlap them so that the tar strip is just covered. The last shingle will have two nails visible.