Greenhouse - Goodbye Old Friend, Hello New

Discussion in 'Garden Projects and DIY' started by shiney, Oct 25, 2025.

  1. pete

    pete Growing a bit of this and a bit of that....

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    Is the new one coming with a base, I know they used to supply a rigid metal base, usually galvanised steel, as an option if you were not putting it on a wall.
     
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    • shiney

      shiney President, Grumpy Old Men's Club Staff Member

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      It will be bolted to the paving and we need to make sure the paving is 2" bigger all round because the bolts get put in at a slight angle and it should stop the paving shattering.
       
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      • shiney

        shiney President, Grumpy Old Men's Club Staff Member

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        Carrying on with the deconstruction:-

        The site as it was earlier
        upload_2025-11-2_7-47-14.jpeg

        Before taking down the rest of the framework we needed to remove, from the far end, the armoured electricity cable and catenary cable it is fixed to that is attached to to the pole that is holding it level with the loft.

        As usual, these things don't go too easily. Unscrewing the brackets that held the cable to the timber was quite easy but not the screws that held the metal supporting pole to the framework. Those screws wouldn't budge! So we needed the angle grinder again. The heads were very tight up against the metal pole and that made it difficult to work without damaging the pole but we got it done.

        upload_2025-11-2_8-5-43.jpeg

        upload_2025-11-2_8-5-43.jpeg

        upload_2025-11-2_8-5-43.jpeg

        We were then able to saw and break up the rest of the greenhouse and dump it in the skip.

        upload_2025-11-2_8-9-18.jpeg

        The staging that we had in there was carried to the skip but was being left until we had been able to put the concrete supporting blocks that the greenhouse had been bolted to were put in.
        upload_2025-11-2_8-9-18.jpeg

        upload_2025-11-2_8-9-18.jpeg
         

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        • shiney

          shiney President, Grumpy Old Men's Club Staff Member

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          The concrete blocks were very heavy so I couldn't (not allowed to) lift them but could help with levering them away from the paving. Whilst Simon was doing the blocks I was transporting all the timber to the skip - so was of some help.

          upload_2025-11-2_8-14-46.jpeg

          The side blocks were longer and wider than the end ones :scratch:
          upload_2025-11-2_8-14-46.jpeg

          upload_2025-11-2_8-14-46.jpeg

          upload_2025-11-2_8-14-46.jpeg

          Side block
          upload_2025-11-2_8-14-46.jpeg

          End block
          upload_2025-11-2_8-14-46.jpeg

          upload_2025-11-2_8-14-46.jpeg

          upload_2025-11-2_8-14-46.jpeg

          He's The Man :thumbsup:
          upload_2025-11-2_8-14-46.jpeg

          Simon then went and it is my job finish clearing all the soil and rubbish from around the sides. The original site was all crazy paving (together with all the large patio it is 2,000 sq ft) and about 25 years ago we had Indian sandstone slabs put on top of it. So, of course, the greenhouse area appears lower than the surrounds.
          upload_2025-11-2_8-14-46.jpeg

          The soil around the sides is only what has accumulated over the last 50 years and I needed to clear it to see the condition of the crazy paving and to take the new greenhouse.
          upload_2025-11-2_8-14-46.jpeg

          When we measured up, after removing the concrete blocks, we found that the new greenhouse is wider than the old one. :doh: Both were officially listed as 20' x 10'. They lied! So we have had to remove the whole row of slabs on the righthand side. They are also now on the skip.
          upload_2025-11-2_8-14-46.jpeg

          I was going to remove all the soil and rubbish and then pressure wash. I removed most of the soil and then got the washer out, connected it up to the hose and electrics and the heavens opened :wallbanging:

          So it will have to wait for another day :dunno:
           
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          • shiney

            shiney President, Grumpy Old Men's Club Staff Member

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            Slabs removed and the worst of the muck cleared.
            In the bottom right of this picture there is a slab that wasn't crazy paving :scratch: and is higher than the paving around it so we shall need to lift it out and make it lower.

            The muck/soil where the slabs were is because the slabs were obviously put down using the dot and dab method. So there was room for soil to seep underneath the slabs.
            upload_2025-11-2_8-38-31.jpeg

            upload_2025-11-2_8-38-31.jpeg
             
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            • CarolineL

              CarolineL Total Gardener

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              You and Simon are doing sterling work! I hope the installers do a good job too
               
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              • shiney

                shiney President, Grumpy Old Men's Club Staff Member

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                We still have to work out whether the base will be considered flat enough. It's a worry.
                 
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                • CanadianLori

                  CanadianLori Total Gardener

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                  By level, do you mean absolutely level side to side and front to back or evenly level throughout the paving?

                  Will the greenhouse gutters have a bit of an decline to guide the water rather than be completely level? I had to add some shims to the fronts of my greenhouse bases to encourage the water in the gutters to fully drain to the back and over to the rain barrel.

                  The area that has the woven material (landscape cloth?) seems to be lower than the rest. Do you plan on raising it or are you going to be placing benches equipment there so it doesn't matter?

                  Very nice work you two are doing. And thank you for the continuing narrative. Love the pics too!
                   
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                  • pete

                    pete Growing a bit of this and a bit of that....

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                    I still wonder if the installers use a base of some kind, what if it was just a field and they were installing it, some kind of hard standing would presumably be needed.
                    Did they enquire as to what they would be erecting it on?
                     
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                    • shiney

                      shiney President, Grumpy Old Men's Club Staff Member

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                      I think it is level for the length of the run of the base, separately on each side but more or less level all round.

                      I have no idea but expect the fitters to sort that out. :fingers crossed: A minor problem as we use much more water than can be collected by the greenhouse.

                      That area is lower, no paving but soil underneath, as we use it for placing potted plants on such as tomatoes. We originally used to plant the tomatoes in the soil but stopped that years ago. The material is porous matting so that any water inside the greenhouse drains away. It works well because we water the plants in the greenhouse with the hose.
                       
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                      • shiney

                        shiney President, Grumpy Old Men's Club Staff Member

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                        Yes, I told them it would be crazy paving. If there is some unevenness would could put a skim of cement on it but there must be some leeway seeing it is going in a garden.
                         
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                        • pete

                          pete Growing a bit of this and a bit of that....

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                          Well as @CanadianLori points out, it could be well out of level and not flat, I've seen crazy paving on slopes:biggrin:, are they going to check it out before coming to fit it.

                          Your old greenhouse wasn't on the crazy paving.:smile:
                           
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                          • Loofah

                            Loofah Admin Staff Member

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                            It just needs to be flat corner to corner, it can be 'on the tilt' but I doubt it will be an issue, the installers will sort it
                             
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                            • pete

                              pete Growing a bit of this and a bit of that....

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                              Well if its not square, plumb and level the glass wont fit.

                              Yes the installers will sort it but I bet the manufacturers use contract installers and they will have the headache of getting it right, the manufactures probably dont care too much.
                               
                            • shiney

                              shiney President, Grumpy Old Men's Club Staff Member

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                              It was on the equivalent of the crazy paving as the concrete blocks were the standard size for greenhouses (all the same height) and they just stood on the paving.

                              The installers are the ones recommended by the manufacturers. :noidea:
                               
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