Three Options for Replacement Windows

Three Options for Replacement Windows

Experienced MA window replacement home improvement contractor

Replacement windows, vinyl replacement windows, Plymouth MA, Duxbury MA, Marion MA, Rochester MA, Wareham MA, Sandwich MA, Bourne MA, Carver MA, Middleboro MA

   1
The cheapest:   REPLACE ONLY THE SASH

If the existing frame and sill are in good condition, you can swap the sash for an energy-efficient upgrade.   Remove the sash and parting stops, then install jamb liners against the sides of the window frame.  The liners form a tight seal with the new sash.  Many manufacturers have replacement-sash kits designed for their older frames.

Important installation details

  • Measure according to manufacturer’s specifications.
  • Check that window frame is square.
  • Check that sill is flat, not crowned.
  • Jamb liners and sash must slope of sill precisely; kinks allow air leakage.
  • Finish air-sealing with foam plugs at top and bottom of jamb liners.

Pros

  • Easy installation.
  • Energy-efficient upgrade.
  • Maintains the window’s original glass area.
  • No need to disturb existing casings.
  • Least expensive replacement-window system.

Cons

  • The finish product might be leakier than Options 2 and 3
  • Hard to fit properly in old openings that might be out of square or crowned.
Replacement windows, vinyl replacement windows, Plymouth MA, Duxbury MA, Marion MA, Rochester MA, Wareham MA, Sandwich MA, Bourne MA, Carver MA, Middleboro MA

   2
The easiest : INSERT A FRAME AND SASH

The most common system comes as a complete unit that slips into the existing window jambs against the exterior (or interior) window stops.  Use low-expanding foam to seal the perimeter gap and ensure an airtight installation.

Important installation details

  • Verify opening for square; measure accordingly.
  • Air-seal the perimeter with low-expanding foam, not fiberglass batts.
  • Fill header and sill extensions with low-expanding foam insulation.
  • Protect against wind-driven rain with highest-quality sealant at exterior stops.

Pros

  • More-dependable energy ratings than Option 1 because the sash and frame are tested as a unit
  • Less invasive than whole-window replacement.   The process takes one hour.
  • Won’t disturb existing casings, siding, or wall coverings.
Replacement windows, vinyl replacement windows, Plymouth MA, Duxbury MA, Marion MA, Rochester MA, Wareham MA, Sandwich MA, Bourne MA, Carver MA, Middleboro MA

   3
The best: COMPLETE  REPLACEMENT

When water damage is occurring, the window and rotten framing should be replaced and the source of the leak tracked down and stopped.  A rotted window may be the symptom, not the source, of the leak.  You can integrate a new window fully into the wall with new head and pan flashings, low-expanding foam, flexible flashing membranes, and high-quality sealants.

Important installation details

  • Protect against wind-driven rain with head flashing and high-quality sealant along top and side flanges; uncaulked  bottom  flange allows water to escape.
  • Ensure against rot with pan flashing.
  • Integrate flashings shingle style into building paper.
  • Maintain air seal with low-expanding foam along inside perimeter.

Pros

  • Most versatile because you can change the window’s size.
  • The most energy-efficient system because the window is fully integrated into the wall.
  • Most durable because you can upgrade the flashing details.

Cons

  • The most invasive method.

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