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Overview

 

Glazing the structure is very simple but be very careful of the edges of the glass as the pane will 
break into tiny peaces if you catch an edge on a hard surface such as concrete.  You should also wear 
suitable gloves when handling the glass (this also helps to keep it clean).  It is good practice to pre-
load the bar capping with screws and position this around the greenhouse ready for you when you 
arrive with the glass.  

 

During glazing you will also need to fit the louvre vents so make sure you have these built and ready 
to slot in.  These fit between 2 pieces of glass and are held in place by the capping system. 
 
 Then fit the  roof vent.  This is done from the inside, gain access through the opening on a set of 
steps.  
 
All you have left to do now is fit the gutter and downpipes, think about where you might site a 
waterbutt when doing this.   
 
 
You can always add a Partition or another Extension at a later date so consider this when you are 
siting your greenhouse.  
 
 
 
Option of gluing joints.  This is not required for strength but you may do it if you wish.  However bare 
in mind if you ever intend to move or adapt the greenhouse in the future this would make it very 
difficult.  The best glue for this would be Poly Urethane Wood Adhesive.  Take care when applying 
this, you only need a very small amount as the glue expands to fill the joint.  If you use too much it 
may seep out of the joint and could be unsightly!  Try a test piece before you start.  
 
Read through the rest of this manual before starting, you are less likely to miss something doing this 
and you will have a better understanding of how it all works.   

Summary of Contents for EVEIGEXT8

Page 1: ...03 15 Standard building Extension...

Page 2: ...s Contents Introduction Base Preparation Overview Base Assembly Side Assembly Front Assembly Extension Installation Rear Assembly A frame Assembly Roof Assembly Parts List Section 1 2 3 4 5 6 7 8 9 Pa...

Page 3: ...ther vulnerable locations To minimise the risk of wind damage try to select as sheltered a site as possible e g beside a hedgerow or garden fence Additional Considerations Please bear in mind that ass...

Page 4: ...ient to bring water to and possibly a supply of electricity Finally and most importantly choose a site where your Alton Greenhouse will look right so that it will complement your garden Base Preparati...

Page 5: ...g through one piece of timber into another it is always recommended to predrill the first piece This will prevent the timber from splitting which could weaken the structure You can build the sides of...

Page 6: ...ning on a set of steps All you have left to do now is fit the gutter and downpipes think about where you might site a waterbutt when doing this You can always add a Partition or another Extension at a...

Page 7: ...op holes will take a 25mm screw when the side cills are fixed to it Also fit the front door cill with 2 plates HE512 diagram 2 Use the larger plates at an extension point EV0312 diagram 3 Don t fix an...

Page 8: ...a tight fit so you may need help with this or maybe use a solid object to push against Once firmly in position fix with the 50mm screw Now slot the eaves rail into position There is no need to fix thi...

Page 9: ...e way in you may find they need a light tap with a wooden mallet or something similar If you are going to glue your joints this is the first point you would do this 50mm Screw Pilot hole it is easiest...

Page 10: ...ch other so the screws don t intersect each other Now offer the side corner to the eaves bar slotting the tennon into the mortise shown in diagram 5 do not fix this joint as it will be done at a later...

Page 11: ...ing bar using a 50mm screw Slot the tennon of the front cill into the side corner bar as before diagram 9 Fix this with a 80mm screw Also screw this to the base with 25mm screws Keep the gable glazing...

Page 12: ...ader into the mortise holes and fix with a 50mm screw through each end diagram 10 Make sure the gable bars are well supported while doing this Diagram 11 External Drill through the bottom of the tenno...

Page 13: ...ars to the front end As before fix the lap joint at the top of the gable bar first with 40mm screws diagram 17 then secure the bottom end to the eaves bar with a 80mm screws diagram 18 Diagram 12 Inte...

Page 14: ...2 pilot holes and fix this in place with two 40mm screws Now take this to the aluminium base and slide it up to the other side section With help or the aid of a prop screw the cill to the base using 2...

Page 15: ...cill Slot the top into position lining the edge of the bar up with the joint of the two eaves bars Secure this with a 50mm screw and the secure the bottom with a 40mm screw remember to drill a pilot h...

Page 16: ...1446 1 8ft Rear Part Name Cill Roof Corner R Roof Corner L Side Corner R EV0056 1650 1 Side Corner L EV0057 1650 1 Gable Bar R EV0060 1994 1 Gable Bar L EV0061 1994 1 Mid Gable Bar EV0074 2214 1 Now...

Page 17: ...glazing bars through the lap joint location These should be 25 30mm apart and the first hole should be a similar distance from the very top edge see right Assemble the gable glazing bars with the rea...

Page 18: ...lazing bars diagram 19 Now fix the roof corner bar and side corner bar through the eaves bar with an 80mm screw You can then screw the base to this section with a 25mm screw EV0061 EV0041 40mm Screw E...

Page 19: ...me next Take the eaves extension braces and locate them in the mortise slots in the extension side bars Pilot hole and fix these with 40mm screws Make sure the flat face that meets the side bar is sea...

Page 20: ...ore fixing these it would be a good idea to fit the ridge extension brace diagram 24 Once these are all in place check they are all inserted correctly and fix them with 40mm screws Dia 22 Dia 23 Don t...

Page 21: ...21 A frame Assembly 8 Diagram 24 Dia 24 40mm Screw EV0187 EV0187...

Page 22: ...ce these about 50 60mm apart with an 80 90mm gap in the middle so that the fixing screws don t interfere with the ridge joint Fix this the extension ridge while on the ground Lift it into position and...

Page 23: ...through the top face of the roof corner bars This is to prevent the end or the screw coming through the bottom of the roof glazing bar This angle will also give a much better and stronger fixing Diag...

Page 24: ...front of the building Fix this as before and then fix the ridge plate to the main ridge as shown in diagram 25 with 80mm screws Now the ridge bars are installed you can return to section 7 on page 19...

Page 25: ...Eaves Bar Extension L 1 EV0180 Ridge Extension 1 EV0181 Eaves Extension Brace 2 EV0183 Eaves Extension Plate 2 EV0184 Glazing Bar Side Extension 2 EV0187 Glazing Bar Roof Extension 8ft wide 2 EV0192 A...

Page 26: ...Alton Greenhouses TGP Ltd Blythe Park Cresswell Stoke on Trent ST11 9RD Telephone 01782 385 409 www Altongreenhouses co uk sales altongreenhouses co uk...

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