Building Homes or Extensions/framing a small greenhouse

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Expert: - 6/23/2009


Question

First Drawing Greenhou
I would like to rebuild a small (about 5'7' X 8') with wooden framing, a very crude first drawing is attached. There are two walls, a long one and a short one, that are attached in the corner on the side of the garage. Only the front and one end are exposed. The foundation is already there and is stable. I can't afford to hire someone, and have to replace an existing metal structure with failed glass. Can you help me with the proper way to join the framing members, especially the joint where 5 boards meet on the front end top. I know how to use a table saw and a router and don't mind taking the time to do it right but just can't figure out how to make strong joints where so many boards come together in one place. Also, what material and size do you recommend I use for the frame? The unit is right beside my front porch entrance, so I have to make it look nice. I'd like to use 2" X 2" for the verticals, but don't know if you think that's sufficient. I would probably use 4X4's for the horizontals, since I would have to shave them some to accommodate for the angles. I'm open to any suggestions and would greatly appreciate your input. Thanks.

Answer
Hi Rubye, I've been giving your project some thought and this is my advice:  1. your ceiling panels and wall panels should be built in separate "wall sections" with a top and bottom plate and studs spaced as you have shown.  The angled bottom plates would have to be ripped at the proper angle to give you the look you desire.  Put a protractor on a scaled drawing, determine the angle and then divide that angle in half.  That will be the angle you will rip on your plates that join to make your roof panels.  These panels can then be screwed together with coated deck screws upon assembly.  2.  2x2s or 2x4's will work for this structure or a combination of 2x4 wall studs, 2x4 plates and 2x2 rafter studs.  3.  for joining the multiple studs together you can use a plywood gusset or a Simpson nail plate (found in hardware or lumber stores).  I hope this information helps feel free to write again regarding this or other matters, sincerely bruce e johnson..bejohnsonconsulting.com
    Questioner's Rating
    Rating(1-10)Knowledgeability = 10Clarity of Response = 10Politeness = 10
    CommentVery helpful & quick response. Thanks.


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Bruce E. Johnson

Expertise

I can answer any construction related question in regards to carpentry, concrete, drywall, masonry, structural elements of any type of building, residential or commercial. Interior or exterior.

Experience

Custom Commercial and residential buildings. Churches, theaters, schools and auditoriums. Most recently I am working with the Catholic Church on several design build committees. I have a website related to scheduling and project supervision. Although my expertise is more related to multimillion dollar commercial, educational and theatrical projects my generous credentials in residential and remodelling construction make me a viable source of information regarding all forms of building questions.

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