Assembly guide

How to assemble a greenhouse

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ASSEMBLY GUIDE:

HOW TO ASSEMBLE A GREENHOUSE

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Assembling and erecting a greenhouse is a job for “do-it-yourselfers”.
Or you can choose to pay extra to have your greenhouse assembled by Juliana. Assembly prices are listed on the individual product pages here on our website and in Juliana’s brochure.

 

If you choose to assemble the greenhouse yourself, you should plan to spend two or three days assembling a “normal/standard” greenhouse. It is advisable to be realistic in planning your assembly process.

For instance, you have to cast the cement for the base and anchor legs on an even, smooth and level surface and then wait for the cement to dry before assembling the rest of the greenhouse.

Juliana has prepared a visual guide for this process to help you to assemble your new Juliana Greenhouse. For best results, closely follow the assembly instructions enclosed with the greenhouse, and supplement them with this guide.

The guide is based on the following three phases of the assembly process:

 

1. Establishing the base

2. Assembling the frame

3. Glazing with glass or polycarbonate

The guide is based on a standard, square greenhouse, but the same principles basically apply to all greenhouses.

Establishing the base

Casting the anchor legs and assembling a greenhouse base Open guide

Assembling the frame

An overview of the proces of assemblying the greenhouse frames. Open guide

Glazing with glass

An overview of how to glaze the greenhouse with glass. Open guide

Glazing with polycarbonate

An overview of how to glaze the greenhouse with polycarbonate. Open guide

Establishing the base

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It is important to erect the greenhouse on a strong base that is firmly anchored in the ground.

The base must be both level and square, because otherwise it will be difficult to assemble and erect the greenhouse, particularly the glazing process (glass or polycarbonate). Therefore, cast the base with care and precision. A step-by-step guide is provided here to show you to how to lay out and set up your base.

 

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STEP 1: READYING THE AREA

Start by preparing the area where the greenhouse will be erected. Make sure the area is cleared, even and levelled off.

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 STEP 2: CHECK THE BASE

The base comes wrapped in clear plastic film. Check carefully for any damage.

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 STEP 3: CHECK THE MODEL AND SIZE.

The base is labelled with the model name and size. Make sure that you have received the base you ordered.

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 STEP 4: CHECK THE BASE DIMENSIONS

Make sure that the base dimensions are correct before assembling and casting it in place.

The dimensions are found in the assembly instructions.

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 STEP 5: ASSEMBLE THE BASE

Assemble the base with the included anchor legs.

For bases bigger than 9 m2, additional anchor legs must be attached to the inner surface of the side sections (using the long bolts).

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 STEP 6: POSITION THE BASE

Lay out the base components on the area where you plan to erect the greenhouse.

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 STEP 7: TAKE DIAGONAL MEASUREMENTS

Measure the base diagonally to square it. The two diagonal measurements must be equal.

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 STEP 8: MARK OUT THE CORNERS

Insert a stick in the ground for each anchor leg so you know exactly where to dig/bore. Then remove the base frame.

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 STEP 9: BORE/DIG HOLES

Dig or bore holes at the spots where you are going to cast anchor legs. The holes must be at least 80 cm deep, to ensure the base is anchored at a frost-free depth.

After inserting the pipes, pour some sand in the bottom of the pipes. To level off the base, you can lift a pipe or pipes (allowing some sand to flow out), which will raise the pipe/pipes as required for levelling.

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 STEP 10: BEND THE ANCHOR LEG

Before inserting the anchor leg into the pipe, bend the end to give it a better grip when cast in cement.

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 STEP 11: ENSURE THAT THE BASE IS LEVEL AND DOUBLE-CHECK THE DIAGONAL MEASUREMENTS

Level off the base and re-measure it diagonally to make sure it is square.

Do this very carefully because otherwise it will be difficult to assemble and glaze (with glass or polycarbonate) if these measurements are not correct.

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 STEP 12: POUR CEMENT IN THE HOLES & LET IT SET

Pour cement in the pipes and let it set for 24 hours or so.

Add just the right amount of water to the cement mixture. The less you add, the stronger the cement.

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 THE BASE IS READY

The base is now ready for assembling and erecting the greenhouse.

MORE GUIDES

Assembling the frame

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Before you start to assemble and erect your greenhouse, it is important to read the assembly instructions completely and familiarise yourself with the assembly procedure.

Although it is possible to assemble the greenhouse by yourself, two are better than one, especially when assembling the end and side sections. You should plan on spending one day assembling the frame.

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 STEP 1: CHECK THE PACKAGE

Start by making sure that you received the right greenhouse.
The frames are packed in cardboard (one or more boxes).

Before you unpack the greenhouse, make sure you received the model you ordered.

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 STEP 2: GET A GENERAL IDEA OF WHICH FRAMES GO WHERE

Get a general idea of which frames go where, starting with the end sections.
Start by assembling the end sections.

To get a general idea of where the frames go, lay them out before you begin to bolt them together.

After this, bolt them together in the order specified in the instructions.

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 STEP 3: PUT THE ASSEMBLED END SECTIONS ASIDE

Move the assembled end sections out of the way.
Once the end sections are assembled, put them aside.

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 STEP 4: ASSEMBLE THE SIDE SECTIONS

Assemble the side sections of the greenhouse.
Assemble the side sections in the same way as the end sections.

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 STEP 5: ATTACH SIDE AND END SECTIONS

Attach the side and end sections on a level surface. After attaching them, lift the greenhouse onto the base.

If you do not have extra space, assemble the greenhouse directly on the base, but this is not quite as easy.

Loosen the corner bolts on the end sections to make it easier to adjust and slide the frame sections into position.

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 STEP 6: ATTACH THE ASSEMBLED FRAME TO THE BASE

If you have purchased a steel Juliana base, attach the assembled frame to this using the included J-clips. Slide the curved section of the J-clip underneath the base and attach with the bottommost bolt of the greenhouse.

If you cast the base yourself, or are using a wooden base, attach the greenhouse with one bolt for each section of the bottom frame.

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STEP 7: ATTACH THE RIDGE BAR

Attach the ridge bar.

Loosen the bolts at the top of the end section to make it possible to gently push the frames until the ridge bar is in place.

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 STEP 8: ATTACH THE ROOF BATTENS

Attach the roof battens to the ridge bar and gutter sections.

Remember to use extra bolts wherever opening windows are to be installed.

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 STEP 9: ASSEMBLING WINDOWS

Now assemble the windows.

For the Premium model, window frames are assembled around the glazing (glass or polycarbonate).

For other models, assemble the frames first and then glue the glass/polycarbonate to the glazing bars with silicone sealant.

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 STEP 10: SLIDE GLAZING BEADS INTO PLACE

Slide the window’s hinge bead into the ridge bar from the end and slide it over to the section where you want it to be placed.

The bead will slide more easily if you lubricate it with oil.

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 STEP 11: ASSEMBLE THE GREENHOUSE DOOR

Now assemble the door.

Lay out the frames on the ground to see how the door looks before you assemble it.

For the Premium model, assemble the door around the glazing (glass/polycarbonate); for other models, glue the glazing (glass/polycarbonate) into place with silicone sealant.

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 STEP 12: DOUBLE-CHECK LEVEL & DIAGONAL MEASUREMENTS

Before attaching the door/doors, it is important to make sure the greenhouse is plumb and level and that it is square by taking the diagonal measurements as well.

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 STEP 13: ATTACH THE GREENHOUSE DOOR

Attach the greenhouse door/doors.

Now the greenhouse is ready to be glazed with glass or polycarbonate.

MORE GUIDES

Glazing with glass

270x174-importantIMPORTANT: BEFORE YOU BEGIN

Når du skal montere glas er det vigtigt at du bruger handsker, så du ikke skærer dig. Start med at montere glasset i taget, derefter siderne og til sidst gavlene. I monteringsvejledningen fremgår det hvilke glas der skal monteres hvor, med angivelse af mål.

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 STEP 1: DEGREASE WITH ACETONE

Start by degreasing the aluminium frames with acetone.

This is necessary to make sure the silicone sealant binds to the frames.

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 STEP 2: APPLY SILICONE SEALANT ACCORDING TO THE ASSEMBLY INSTRUCTIONS

Apply a 3-mm strip of silicone sealant to the vertical frame sections marked with a dotted line in the assembly instructions.

If you use more than the recommended amount, simply buy more tubes. Use non-corrosive (acid-free) silicone sealant only.

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 STEP 3: DEGREASE THE GLASS

Degrease the glass with acetone for maximum adhesion.

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 STEP 4: PRESS THE GLASS FIRMLY INTO POSITION

Press the glass firmly into the silicone sealant.

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 STEP 5: INSERTING GLASS CLIPS (1)

Insert the glass clips by sliding one tip of the clip under the bar and holding it in place with one finger. Position the clip’s small curved section between the glass and the aluminium frame.

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 STEP 6: INSERT GLASS CLIPS (2)

Slide the other tip underneath the bar with your other hand so the small curved section of the clip is positioned between the glass and the aluminium frame. The wide curved section of the clip will now support the top surface of the glass.

Install 4 glass clips in the bottommost pieces of glass, but ONLY 2 in the overlapping glass sections. In the overlapping glass sections, insert the glass clips in the top one-third. Otherwise they will put too much pressure on the glass and could cause it to crack.

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 STEP 7: ATTACH THE GLASS HOLDERS

Insert two glass holders between the overlapping pieces of glass.

Slightly bend each holder before hanging it on the lower section of glass, which makes it easier to grip the holders when bending them around the glass.

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 STEP 8: CHECK THE GLASS HOLDERS

After hanging two glass holders on the lower section of glass, attach the overlapping section of glass.

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 STEP 9: INSERT THE TOP PIECE OF GLASS

Slide the overlapping piece of glass all the way into the aluminium frames and press them into the silicone sealant to bind them.

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 STEP 10: BEND THE GLASS HOLDERS AND INSERT THE LAST GLASS CLIPS

Bend the glass holders all the way round to hold the glass in place.

Insert 2 glass clips in the top one-third of the glass.

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 FINAL TIPS

Now the glass is mounted.

If it breaks, it can be cut out with a trimming knife. Remember to degrease both frame and glass with acetone before inserting a new piece of glass.

MORE GUIDES

Glazing with polycarbonate

270x174-importantIMPORTANT: BEFORE YOU BEGIN

Glazing with polycarbonate is quick and easy. The polycarbonate sheets are full-length and are attached with plastic beading.

The assembly instructions show you where to attach the sheets and beading. You will need acetone, sandpaper, a small saw, a trimming knife and/or heavy-duty shears to install the polycarbonate.

Start by glazing the roof, then the side sections and finally the end sections.

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 STEP 1: DEGREASE THE GREENHOUSE FRAMES

Degrease the frames with acetone to ensure that the silicone sealant binds firmly to the greenhouse.

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STEP 2: FIND THE OUTWARD-FACING SIDE OF EACH POLYCARBONATE SHEET 

The polycarbonate sheets are UV-protected on one side only. That side is labelled.

It is important to correctly install the polycarbonate sheets, because otherwise they will yellow and become brittle after a few years.

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 STEP 3: REMOVE THE PROTECTIVE FILM

The polycarbonate sheets are delivered with a protective film. Remove this film before attaching them to the greenhouse.

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 STEP 4: DO NOT REMOVE THE LABEL ON THE OUTWARD SURFACE

Do not remove the label showing which side of the polycarbonate sheet should face outward.

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 STEP 5: SAND THE EDGES OF THE POLYCARBONATE SHEETS

Sand the edges of the polycarbonate sheets along the side. This will maximise the adherence of the silicone sealant when you glue the sheets in place.

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 STEP 6: ATTACH THE GREENHOUSE TO THE BASE

Press a 3-mm strip of silicone sealant into the side sections.

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 STEP 7: ATTACH THE FINISH BEADING

Attach the finish beading to the top of each section. Press the “thick” part of the beading over the top of the profile.

The beading may need to be adjusted, particularly in the end sections.

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 STEP 8: ATTACH BEADING TO THE BOTTOM EDGE

Also attach finish beading to the bottom edge of the sections.

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 STEP 9: INSERT THE BOTTOM EDGE OF THE POLYCARBONATE SHEET FIRST

Install each polycarbonate sheet by first pressing it down into the bottommost finish beading.

REMEMBER: Make sure the correct side of the polycarbonate sheet is facing outwards. This side will be labelled.

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 STEP 10: THEN PRESS THE TOP SECTION OF THE POLYCARBONATE SHEET FIRMLY IN PLACE

Then press the polycarbonate sheet into the top finish beading.

REMEMBER: Make sure the correct side of the polycarbonate sheet is facing outwards. This side will be labelled.

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 STEP 11: CLICK THE FINISH BEADING FIRMLY IN PLACE ON THE SIDE SECTIONS

Then press the finish beading firmly in place on the sides.

Start from the bottom and press them firmly upwards. Press until you hear a “click”, which means they are firmly attached.

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 STEP 12: REMOVE THE LABEL

After the polycarbonate sheets and all beading are attached, remove the label indicating which side of the polycarbonate sheet should face outwards. The polycarbonate sheets have now been installed.

MORE GUIDES