Insulated Cat House Plans

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This step by step diy project is about insulated cat house plans plans. I have designed this outdoor cat house so you can protect your favorite furry pets from the elements. The cat house is built on a platform, so the cats can climb it and also be protected from other animals. Take a look over the rest of my woodworking plans, if you want to get more building inspiration.

When buying the lumber, you should select the planks with great care, making sure they are straight and without any visible flaws (cracks, knots, twists, decay). Investing in cedar or other weather resistant lumber is a good idea, as it will pay off on the long run. Use a spirit level to plumb and align the components, before inserting the galvanized screws, otherwise the project won’t have a symmetrical look. If you have all the materials and tools required for the project, you could get the job done in about a day.

 

 

Insulated Cat House Plans

Building an insulated cat house

Building an insulated cat house

 

  • A – 2 pieces of 2×4 lumber – 24″ long, 3 pieces – 25″ long FRAME
  • B – 2 pieces of 3/4″ plywood – 24″x28″ long FLOOR
  • C – 2 pieces of polystyrene foam sheet – 9 3/4″x25″ long INSULATION
  • D – 4 pieces of 2×4 lumber – 16″ long LEGS
  • E – 5 pieces of 2×2 lumber – 11″ long, 1 piece – 24″ long, 1 piece – 15″ long, 1 piece – 3″ long, 1 piece – 6″ long FRONT WALL
  • E – 2 pieces of 2×2 lumber – 24″ long, 3 pieces – 11″ long BACK WALL
  • E – 2 pieces of 2×2 lumber – 17″ long, 3 pieces – 11″ long 2xSIDE WALLS
  • G – 2 pieces of 1/2″ plywood – 14″x20″ long, 2 pieces – 23 3/4″x25″ long WALLS
  • H – 4 pieces of 2×2 lumber – 20″ long RAFTERS

 One day

 

 

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Building a cat house

Building the floor frame

Building the floor frame

The first step of the project is to build the frame for the floor. Cut the components from 2×4 lumber, using the information from the diagram. Drill pilot holes through the rim joists and insert 2 1/2″ screws into the perpendicular components. Make sure the corners are square and add glue to the joints for a professional result.

Attaching the floor insulation

Attaching the floor insulation

Fit polystyrene foam sheets between the frame of the floor, as shown in the diagram. Make sure you fit several layers of the polystyrene, as a better thickness will ensure a better insulation for the floor of the cat house.

Fitting the floors

Fitting the floors

Next, you need to seal the floor with 1/2″ plywood sheets. Align the edges with attention, drill pilot holes and secure the sheet into place with 1 5/8″ screws.

Fitting the legs to the platform

Fitting the legs to the platform

Next, you need to attach the 2×4 legs to the frame of the floor. Use a spirit level to plumb the legs when attaching them to the floor frame. Drill pilot holes through the top of the legs and secure them to the floor using 2 1/2″ screws.

Building the front wall

Building the front wall

Build the front wall frame from 2×2 lumber. Drill pilot holes and insert 2 1/2″ screws to lock everything together, as shown in the plans. Make sure the corners are square and check if the edges are flush. Add glue to the joints to enhance the bond of the components.

Building the side walls

Building the side walls

Build the two side walls in the same manner described above. Drill pilot holes and insert 2 1/2″ screws to lock everything tightly. Add glue to the joints and make sure the corners are square.

Building the back wall

Building the back wall

Build the back wall from 2×2 lumber. Drill pilot holes through the plates and insert 2 1/2″ screws to lock the components together.

Assembling the frame of the cat house

Assembling the frame of the cat house

Fit the wall frames to the floor of the cat house, as shown in the plans. Drill pilot holes through the bottom plates and insert 2 1/2″ screws into the floor. In addition, lock the adjacent walls together by drilling pilot holes and inserting 2 1/2″ screws.

Attaching the side walls

Attaching the side walls

Fit 1/2″ plywood to the sides of the cat house. Align the edges with attention and secure them to the framing with 8d nails.

Building the rafters

Building the rafters

Build the rafters for the cat house from 2×2 lumber. Cut one ends of the rafters at 55 degrees, by making a 35 degree cuts. In addition, you need to cut out a birds mouth in the rafters, so they can be secure to the top plates tightly.

Fitting the rafters

Fitting the rafters

Fit the rafters to the wall frames, as shown in the plans. Drill pilot holes through the rafters and insert 2 1/2″ screws to lock them together tightly. Leave no gaps between the components for a neat result.

Front wall

Front wall

Build the front wall from 1/2″ plywood, using the information from the diagram. Cut out the door opening for a professional result. Smooth the edges with sandpaper and secure the walls into place with 8d nails.

Attaching the back walls

Attaching the back walls

Build the back wall in the same manner and secure it to the frame with 8d nails, after aligning the edges with attention.

Insulated cat house plans

Insulated cat house plans

Make sure you read PART 2 of the project, so you learn how to build the roof for the outdoor cat house. In PART 2 I will show you for to install insulation in the walls, as well into the roof.

How to build an insulated cat house

How to build an insulated cat house

This is a simple project you should be able to build in a few days without much effort. This insulated cat house is a must have project if you want to protect your favorite pets from cold weather. Take a look over the rest of the woodworking project I feature on the site, for even more building inspiration.

 

 

This woodworking project was about insulated cat house plans free. If you want to see more outdoor plans, check out the rest of our step by step projects and follow the instructions to obtain a professional result.

 

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