EASY step-by-steps FOR YOUR SLATTED PER­GOLA

Better Homes and Gardens (Australia) - - Outdoor Living -

Gather your sup­plies

• Fas­cia plate – 140 x 45mm H3 treated pine

• Posts – 88 x 88mm H4 treated pine

• Beams – 190 x 45mm H3 treated pine • Rafters – 140 x 45mm H3 treated pine Bat­tens – 42 x 31mm primed treated pine

You’ll also need

Cir­cu­lar saw; drill; long 5mm drill bit; 200mm landscaping screws; spirit level; string­line; tape mea­sure; post-hole dig­ger; 20mm blue metal; wooden pegs; scrap tim­ber for braces; clamps; line level; ham­mer; chisel; trim­mer fit­ted with cham­fer router bit; scrap ply­wood; jig­saw; sand­pa­per; ex­te­rior acrylic paint in white; paint­ing equip­ment; 10mm auger bit; M10 x 140mm gal­vanised cup­head bolts, nuts and wash­ers; span­ner; ex­te­rior tim­ber filler; con­crete mix (2 bags per hole)

FOR YOU TO NOTE When us­ing power tools, wear all safety gear re­quired and re­fer to your prod­uct in­struc­tions.

Here’s how

STEP 1 De­ter­mine po­si­tion of ex­ist­ing roof rafters be­hind fas­cia. Look for line of nails on the eaves lin­ing. For a tiled roof, lift the first row of tiles to find them. Mark po­si­tion of rafters on bot­tom edge of fas­cia. STEP 2 Use cir­cu­lar saw to cut fas­cia plate to length and lift against fas­cia. At 1 end, predrill through plate, fas­cia and into rafter us­ing a long 5mm drill bit. At­tach plate to fas­cia us­ing a sin­gle 200mm landscaping screw. STEP 3 Hold a spirit level un­der cen­tre of plate and make level. At other end of plate, predrill and screw plate to roof rafter.

STEP 4 Predrill and fix plate to all other rafters. Use 2 screws per rafter.

STEP 5 To mark po­si­tion of posts, run string­line along side of house to edge of pavers and mark its po­si­tion. Mea­sure 400mm from this point and use post-hole dig­ger to dig a hole 800mm deep. Re­peat for other side of per­gola.

STEP 6 To al­low for drainage un­der post, fill bot­tom of post holes with a 50mm layer of blue metal.

STEP 7 Sit posts in holes and tem­po­rar­ily brace. Set up braces by driv­ing wooden pegs into the ground about 2.5m from posts in line with 2 ad­ja­cent faces. Screw scrap tim­ber into pegs and run di­ag­o­nally to posts. Make posts plumb, then clamp braces to them. STEP 8 To trans­fer level of fas­cia plate to posts, fix string­line to un­der­side of fas­cia plate, pull tight and hold it against side of posts. Put a line level on string­line and ad­just string­line un­til level. Mark this po­si­tion on posts. Also mark post at paver level. STEP 9 Re­move braces from posts and cut off top end at the point marked in Step 8. From this end, mark out for 2 re­bates 25mm deep and 190mm long on op­po­site faces of post. With cir­cu­lar saw set to cut 25mm deep, make mul­ti­ple passes through area of re­bates. Knock out waste tim­ber with ham­mer, then smooth bot­tom of re­bates with chisel.

STEP 10 To cre­ate a dec­o­ra­tive bev­elled edge on posts, use trim­mer fit­ted with cham­fer router bit. Start­ing 150mm be­low bot­tom of re­bate, run trim­mer along edge of post, stop­ping 150mm from where post meets pavers. Re­peat for all edges of both posts.

STEP 11 Re­po­si­tion posts in holes and make plumb. Nail braces to posts for a more per­ma­nent hold as you con­tinue work­ing on per­gola.

STEP 12 Cut beams to length so they over­hang posts by 675mm at each end.

STEP 13 To cre­ate dec­o­ra­tive de­tail on ends of beams, and so they are the same, first make a tem­plate from scrap ply­wood 190mm wide and 350mm long. From 1 cor­ner mark 140mm up the short side and 275mm up the long side. Join these 2 points with a line in a gen­tle curve, then cut along curved line with jig­saw.

STEP 14 Place tem­plate on 1 end of beam and align with long edges. Mark out curved line on beam, re­move tem­plate and cut with jig­saw. Re­peat for other end of beam and for both ends of sec­ond beam. Sand cuts and round edges.

STEP 15 Paint beams in 2 coats white ex­te­rior acrylic paint. Al­low to dry af­ter each coat.

STEP 16 Lift beam into po­si­tion into re­bates on posts so ends over­hang posts equally. Nail into each post to hold. Re­peat to at­tach sec­ond beam into other re­bate on post.

STEP 17 Us­ing a 10mm auger bit, drill 2 holes through beams and

post. In­sert cup­head bolts through beam on gar­den side of per­gola, tap it through, then put on washer and nut. Tighten us­ing span­ner. STEP 18 Mark out fas­cia plate for rafters to work out how many you will need. Place a rafter at each end then space oth­ers evenly be­tween these, not ex­ceed­ing 700mm apart. STEP 19 To cre­ate dec­o­ra­tive de­tail on ends of rafters and so they are the same, first make a tem­plate from scrap ply­wood 140mm wide and 350mm long. From 1 cor­ner, mark 110mm up the short side and 225mm up long side. Join these 2 points with a line in a gen­tle curve, then cut along curved line with jig­saw.

STEP 20 Place tem­plate on 1 end of rafter and align with long edges. Mark out curved line on rafter, re­move tem­plate then cut with jig­saw. Sand cut ends smooth. Re­peat to cut dec­o­ra­tive end on all rafters.

STEP 21 Ap­ply 2 coats of white ex­te­rior acrylic to all rafters. Al­low to dry af­ter each coat.

STEP 22 Cut rafters to length so they over­hang the out­er­most beam by 500mm.

STEP 23 For first rafter, pick the straight­est one you can. Lift it up at 1 side of per­gola and nail into fas­cia plate. Make square to house us­ing the 3-4-5 rule: from junc­tion of rafter with fas­cia plate, mea­sure 3m along fas­cia plate and 4m along rafter and mark both points. Mea­sure be­tween these 2 points and ad­just po­si­tion of rafter on beam un­til the points are 5m apart. This means rafter is square. Nail rafter to beam.

STEP 24 Mea­sur­ing from first rafter, mark out top of beam with po­si­tions of rafters. Use same spac­ing as on fas­cia plate de­ter­mined in Step 18.

STEP 25 Lift rafters on top of beam and butt into fas­cia plate. Nail rafters to fas­cia plate with at least 3 nails per side. Skew-nail through rafter into beam.

STEP 26 Cut bat­tens to length so they over­hang side rafters by 100mm. Pre­paint in white ex­te­rior paint. Lift a few bat­tens on top of rafters and nail first one to rafters near gut­ter. Use an of­f­cut to cre­ate a 42mm gap to next bat­ten, then nail it in place. Re­peat to lay enough bat­tens so you can still safely ac­cess top of all of them from your lad­der.

STEP 27 Fill nail holes in bat­tens with tim­ber filler. Let dry, sand smooth then touch up paint­work on bat­tens.

STEP 28 Re­peat Steps 26 and 27 to nail, fill and paint bat­tens across en­tire per­gola.

STEP 29 Mix con­crete ac­cord­ing to prod­uct in­struc­tions then pour into holes around posts. When set, re­move braces. STEP 30 Fill all nail and screw holes us­ing ex­te­rior tim­ber filler. Let dry, sand smooth then touch up paint.

With its slatted tim­ber roof, the per­gola cre­ates a light and airy space that is per­fect for out­door din­ing.

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