Sofia Martinez
Installing a plastic sill saddle, or a PVC saddle tee, is a simple process. First, you need to prime the two surfaces to be joined: the saddle and the PVC pipe. Next, apply cement to both surfaces within 10 seconds of priming. Snap the tee into place, ensuring you hold it for at least 10 seconds to allow the cement to dry. Drill a hole through the tee's inlet to the centre of the PVC pipe, being careful not to drill through the other side. Finally, clean the fragments from the hole with sandpaper and mount the required sprinkler accessory or PVC piping.
| Characteristics | Values |
|---|---|
| Step 1 | Shut down and drain the water line |
| Step 2 | Run one sprinkler head to relieve pressure |
| Step 3 | Wait for automatic draining to finish |
| Step 4 | Prime the two parts to be joined: the saddle tee and the pipe itself |
| Step 5 | Apply cement to the two areas to be joined within 10 seconds of priming |
| Step 6 | Snap the tee in place |
| Step 7 | Drill a hole all the way to the center of the PVC pipe |
| Step 8 | Clean the fragments from the hole with sandpaper |
| Step 9 | Mount the sprinkler parts or PVC pipe section |
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What You'll Learn
Priming the PVC saddle tee and pipe
To prime the PVC saddle tee and pipe, you will need a primer and an applicator, which is a small brush found inside the lid of the primer. Firstly, ensure you have selected the correct primer for your plastic piping. There are various types of primers formulated for different kinds of plastic piping, so be sure to read the labels carefully. Trusted brands include Weld-On and Oatey.
Next, apply a layer of primer to both the surfaces you want to join. This includes the saddle (the interior) and the PVC pipe. Apply the primer in a circular motion using the applicator brush. You only have a window of about 10 seconds to apply the PVC cement after priming, so work quickly and efficiently.
During the application, be liberal with the amount of primer used. You want to have enough glue on the two surfaces for the strongest connection. Reapply a generous coat of cement to the pipe and the saddle if necessary.
Breathing emissions from the cement and the PVC primer might make you dizzy or cause other health issues, so be cautious and ensure the area is well-ventilated.
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Applying cement to the surfaces
When applying cement to surfaces, there are several steps to follow. Firstly, prepare the surface by cleaning it with a wire brush to remove any oil, grease, or other substances. If the surface is smooth or old, roughen it using a scratching tool or a wire brush to create a better bond for the plaster. If there are any cavities or holes, fill them with an appropriate material before applying the cement.
Next, mix the cement with sand and stone in a wheelbarrow or bucket using a spade or shovel. The precise ratios may vary depending on the type of cement, so always check the instructions. As a general rule, use one part cement, two parts sand, and four parts stone or gravel. It is important to mix the dry ingredients thoroughly before adding water to prevent the mixture from becoming too soupy.
Once the dry ingredients are mixed, create a small crater in the centre of the mixture and add a small amount of water. Mix it with a shovel until a smooth paste is formed. The consistency should be similar to peanut butter. If you are using the cement for a concrete finish, a ratio of 3 parts concrete to 1 part water is recommended. However, if the finish is not important, you can use more water.
After mixing the cement, it is crucial to work quickly as cement dries fast. Pour the mixed cement immediately onto the surface you are working on. Spread the cement evenly with a trowel, ensuring it is level. For a thicker coat of plaster, apply a double coat, allowing the first coat to set but not dry before applying the second. The thickness of the second coat can vary between 2 to 3 mm, and it should be applied from top to bottom in one operation to eliminate joining marks.
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Snapping the tee in place
Now that you've primed the two surfaces and applied cement to both the saddle and the PVC pipe, it's time to snap the tee in place. Work quickly, as you only have about 10 seconds to snap the tee in place after applying the cement. Hold the tee onto the pipe for at least 10 seconds to allow the cement to dry and keep the saddle in the perfect position.
You may want to wear gloves during this step to protect your hands from the glue. Allow the cement to dry for no more than 10 minutes. Once the cement has dried, you can move on to the next step of drilling a hole through the tee and into the centre of the pipe.
It's important to note that you should only drill through the inlet of the tee and not all the way through the pipe, as this could cause a leak. Use a properly sized drill bit that matches the diameter of the tee's inlet to avoid drilling too far. After drilling, remove any waste from the pipe by inserting a rolled-up sheet of sandpaper into the hole and turning it a few times.
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Drilling a hole to the centre of the pipe
When drilling a hole to the centre of the pipe, it is important to be cautious and ensure you are using the correct equipment. Firstly, you should only drill through the freshly installed tee's inlet. It is crucial that you use a drill bit of the appropriate size—its diameter should equal that of the tee's inlet. This will prevent you from accidentally drilling through the other wall of the pipe, which could result in a leak. Once you have created the hole, use a neatly rolled-up sheet of sandpaper to remove any waste from the pipe by inserting it into the hole and turning it a few times.
To ensure a strong connection between the pipe and the saddle tee, priming and cementing are essential steps. Primer softens the PVC surface, facilitating better adhesion for the cement. Apply a layer of primer to both the saddle tee and the PVC pipe using the small brush found inside the lid. Work quickly, as you only have about 10 seconds to apply the PVC cement after priming. Use the same applicator to apply a liberal amount of cement to both surfaces, reapplying if necessary.
After priming and cementing, you can snap the tee into place. Hold it onto the pipe for at least 10 seconds to allow the cement to dry and secure the saddle in position. Once the cement has dried, you can proceed with drilling the hole to the centre of the pipe. Remember to wear gloves to protect your hands from any glue residue. Always use the correct safety gear when working with power tools and ensure your work area is clean and tidy to minimise hazards.
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Cleaning the hole with sandpaper
When installing a PVC saddle tee, it is important to clean the hole with sandpaper. This step ensures that the connection between the saddle tee and the pipe is strong and secure. Here is a detailed guide on how to effectively clean the hole with sandpaper:
First, acquire the right type of sandpaper. It is recommended to use Assorted Grit Sandpaper designed for wood furniture finishing. This type of sandpaper is typically available in sizes that are suitable for this task.
Before cleaning the hole, ensure that you have already primed and cemented the surfaces to be joined, which are the saddle tee and the PVC pipe. Apply the primer in a circular motion to both surfaces, and then apply a liberal amount of PVC cement to ensure a strong connection.
Once the cement is dry, usually within 10 minutes, it's time to clean the hole with sandpaper. Insert a neatly rolled-up sheet of sandpaper into the drilled hole. Make sure the sandpaper is rolled tightly, allowing it to fit into the hole easily.
Gently turn the sandpaper a few times within the hole. This action will help remove any fragments, cement residue, or debris that may be left inside. Be careful not to apply too much force to avoid damaging the pipe or the connection.
Finally, remove the sandpaper from the hole and inspect it to ensure that all fragments have been cleared. You may need to blow into the hole or use a small brush to remove any remaining dust or particles. By following these steps, you will achieve a clean and smooth hole, ready for the next steps in the installation process.
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Frequently asked questions
A PVC saddle tee is a fitting used to join two pieces of PVC pipe.
To install a plastic sill saddle, you need to prime the surfaces of the saddle and the pipe, apply cement to both areas, snap the tee in place, and drill a hole to the centre of the pipe.
Priming is the process of applying a layer of primer to the surfaces you want to join. It helps to soften the PVC surface, creating a strong bond and seal when welding plastic pipes and fittings.
There are various types of primers and cements formulated for different kinds of plastic piping. Trusted brands include Weld-On and Oatey. Always read the labels carefully before purchasing.
The cement should dry within 10 minutes.
