What is a mast boot?

What is a mast boot?

Mast Boots are used on keel-stepped Rigs to help prevent water leakage where the Mast goes through the Deck. They fit around the Mast and cover the Deck Collar flange and Mast Wedges. Mast Boots are designed to be put on the mast prior to stepping.

How do you seal a sailboat mast?

You can seal all of the overlapping seams at the mast with a medium-strength adhesive caulk like 3M 4000 UV. You also can seal any material held in place with hose clamps with butyl caulk (easier for disassembly later). Some cruisers have successfully installed only the plastic sheet as a mast boot.

How do you use Spartite?

SPARTITE creates an integral, structural system between the partners/deck collar and the mast. Simply pour mixed SPARTITE into the space around the mast for a secure tight fitting ring that remains on the mast when it is un-stepped. SPARTITE installation can usually be completed in a few hours.

What are mast partners?

Definition of mast partner : wood planking or steel plating around a mast hole in a deck to give support to a mast.

What is a mast wedge?

Mast Wedges are used on keel-stepped Rigs to support the Mast as it passes through the Deck Collar, as well as providing chafe protection between the two. Traditionally made of Wood, most are now made from a more flexible Rubber compound.

What is Spartite?

Spartite is a pre- measured two-part polymer poured into the cavity between the mast and the partners while the mast is in the boat. Each kit comes with complete instructions and materials for the yard or yacht owner to build a simple mold out of even the most complex partners or mast collar.

What are partners on a sailboat?

The mast partners are the ship’s timbers fitted between deck beams around the opening in the deck where the mast passes through – they are under the deck planking. When the mast is stepped, it is “wedged” in place at deck level, the wedges going between the partners and the mast itself.

What is Spartite made of?

CASS Polymers
Spartite, made by CASS Polymers of Michigan, is a two-part pre-polymer (similar to a urethane) that you mix and pour between the mast and the mast collar.

What is mast partner?

What are mast boots made of?

Rig-Rite stocks a large selection of Mast Boots. Most Mast Boots are formed from a PVC plastic, and are designed to fit specific Mast Sections, as well as specific Deck Collars. If you require an original Mast Boot, you must first determine which Mast Section you have, by Manufacturer.

What are ‘universal’ mast boots?

‘Universal’ Mast Boots are available as well, though, of necessity, they are much thinner, more flexible, and less durable than the original type. To determine which of these will be suitable, you must know the circumference of your Mast and of your Deck Collar (where the Mast Boot fits over it).

What size mast Boots do I need for my Boat?

Molded PVC Mast Boots to fit a variety of Round Masts and specific Deck Collar combinations. Common on Freedom and Nonsuch Yachts, and in other applications. Special Round Mast Boot to fit 5″ OD Round Mast and 6″ OD Round Deck Collar. Soft molded black Mast Boot is 3 1/4″ high x 5″ ID. As used on Pearson 23C.

How do I install a mast boot on my mast?

Mast Boots are designed to be put on the mast prior to stepping. They can be installed on a stepped mast by making a vertical cut on the aft side, which can be glued or taped over afterwards, but obviously this method compromises its’ integrity. See also, Deck Collars, Mast Wedges , Mast Boot Clamps, and Mast Boot Tape.

author

Back to Top