DIY How To

Shed Assembly Guide

Before assembly can begin, it is essential that a firm and level base is in position. This base must support the full floor area of the shed and should be measured using a spirit level to ensure accuracy.

How to assemble an Atex Shed

An Apex Shed is identified by its pointed roof. Use these instructions with a shed assembly slideshow, viewed here.

1. Once the base is in place, lay the floor panel in the desired position.

2. Offer-up the edge of the first side wall panel against the edge of the first gable panel. Nail the corners of the two panels together, this would usually be done with 38mm nails.

3. Secure the wall panel to the end gable using coach screws. These screws fit through pre drilled holes in the gable; one towards the top of the exterior gable edge and one towards the bottom.

4. Place the second gable panel against the second wall panel and secure in the remaining corners using coach screws and 38mm nails as in previous steps.

5. Ensure that the side panels are at right angles to the gables and tighten the coach screws if required. Secure the sides and gables to the floor panel; this is usually done with 65mm nails.

5. Lay the roof panels into position and fix together along the ridge with the 65mm nails. Then secure the roof in place by nailing it into the gables and side frames.

7. Insert the window panes from the inside and fix into position with panel pins. It is essential that all windows are subsequently sealed as soon as possible after assembly.  This could be achieved via the application of silicone, timber beading or any other suitable ‘water tight’ solution.

8. Secure the corner strips at each corner of the shed with the 38mm nails. On certain models, the corner strips may be oversized and will need to be cut to length with a handsaw.

9. Roll out the mineral roofing felt along the lower part of both sides of the roof allowing for sufficient overhang to fold down onto the roof framing. Ensure that the felt is tight and use clout nails to tack the top end of the felt to the roof. On certain models where the felt does not cover the apex of the roof, use an additional strip to cover the ridge and secure with clout nails.

10. Ensure that the mineral roofing felt is pulled tight across the whole roof and use clout nails to tack it to the framing and to the underside of the roof overhang.

11. Fit the barge boards to the roof panels at each end, trapping the overhanging felt to provide a weather seal. Secure the diamond peaks over the joint of the barge boards to complete your apex garden shed.

How to assemble a Pent Shed

A Pent Shed has a flat roof, with only a slight slope for waiter drainage. Use these instructions with a shed assembly slideshow, viewed here.

1. Once the base is in place, lay the floor panel in the desired position.

2. Offer-up the edge of the first side wall panel against the edge of the first gable panel. Nail the corners of the two panels together, this is usually done with 38mm nails.

3. Secure the wall panel to the end gable using the coach screws. These screws fit through pre drilled holes in the gable (one towards the top of the exterior gable edge and one towards the bottom).

4. Place the second gable panel against the second wall panel and secure in the remaining corners using coach screws and 38mm nails as in previous steps.

5. Ensure that the side panels are at right angles to the gables and tighten the coach screws if required. Secure the sides and gables to the floor panel; this is usually done with 65mm nails.

6. Lay the roof panel into position, and, after ensuring the overhang of the roof is equal on all sides, proceed to nail the roof to the sides and gables using the 65mm nails.

7. Insert the window panes from the inside and fix into position with panel pins. It is essential that all windows are subsequently sealed as soon as possible after assembly.  This could be achieved via the application of silicone, timber beading or any other suitable ‘water tight’ solution.

8. Roll out the mineral roofing felt adjacent to the back (low side) wall, allowing for sufficient overhang to fold down onto the roof framing. Ensure that the felt is tight and use clout nails to tack the top end of the felt on to the roof. Roll out the next width of felt, overlapping the previous, and again allow for sufficient overhang to fold down onto the roof framing.

9. Ensure that the mineral roofing felt is pulled tight across the whole roof and use the remaining clout nails to tack it to the framing.

10. Secure the corner strips at each corner of the shed with the 38mm nails. Fit the barge boards to the roof across the front and two end gables, trapping the overhanging felt to provide a weather seal and complete your pent shed.

11. On certain models, the corner strips may be oversized and need to be cut to length with a handsaw.

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