Is $3,978 to vacuum, air seal, add baffles, and replace attic insulation a fair price?

This quote provides a comprehensive attic insulation upgrade, including removal of existing insulation, air sealing, and installation of new insulation and related components. It aims to improve thermal performance and ventilation. - Work Area: Flat Ceiling, Skylight Shaft - Existing Insulation Removal: Loose fill insulation removed with a vacuum, batt insulation around skylight also removed - Top Plates (Air Seal): Seal exterior and interior top plates using one-component spray foam insulation where vertical walls intersect with the attic floor. All wiring holes, electrical junction boxes, and other penetrations to the attic floor will be sealed. - Skylight Shaft Insulation: R15 high-density fiberglass insulation installed at cavity - Skylight Shaft Radiant Insulation: Micro-perforated radiant insulation installed over fiberglass batts. All seams and edges sealed with spray foam and/or FSK tape. - Attic Hatch: Rigid insulation installed to the back of the attic hatch cover. Weatherstripping installed at molding. Dam built around hatch. - Recessed Can Lights: Non-combustible airtight cover installed over recessed can lights and sealed to drywall with spray foam. Insulation can then be mounded over the light. - Eaves: Insulation baffles installed at eave areas to ensure proper attic ventilation. - Attic Flat Ceilings: Loose fiberglass insulation blown in to achieve an R49 rating.

This quote outlines the scope of work for attic insulation, including removal of old materials, air sealing, rodent proofing, and installation of new insulation, with optional additions for a radiant barrier and an attic fan. The total cost includes all listed items, including the optional add-ons. - Insulation Removal: Removal of existing fiberglass insulation (dating from 1960-70s), haul, and disposal for 1600 sqft. - Attic Preparation: Decontamination, cleaning, air sealing, and wire mesh installation for rodent proofing for 1600 sqft. - New Insulation Installation: R-38, 24-inch width fiberglass batts installed for 1600 sqft. - Optional Radiant Barrier: Installation on rafters for 1800 sqft. - Optional Attic Fan: Installation including electrical and mounting.

This quote is for adding blown-in fiberglass insulation on top of existing insulation, along with air sealing and other attic-related repairs and improvements. - Insulation Removal & Disposal: - Main attic: Remove house wrap on exterior walls in attic, fiberglass batt on vault, and animal feces. - Bag and haul away all removed materials at contractor expense, disposing in accordance with federal, state, and local regulations. - Blown in Insulation (Main attic floor, 979 sq ft): - Install fiberglass blown-in insulation to achieve up to R-49 (16" nominal depth) across all attic floor space where existing insulation allows. - Depth ruler gauges to be installed to verify insulation depth. - Baffles to be installed as needed to ensure proper ventilation. - Repair attic floor where any voids are present. - Limited Lifetime Warranty included. - Hatch Master (Main attic hatch, 30"x30"): - Install zippered, insulated attic hatch cover to prevent drafting between living/conditioned space and attic. - Seal around attic hatch with single component foam to stop air drafting if needed. - Limited Lifetime Warranty included. - Home Air Sealing (Main attic): - Install single component foam to seal wall top-plates, HVAC boots, around any electrical and lighting, and any other protrusion from the living space to the attic. - Limited Lifetime Warranty included. - Other Misc. Items: - Install Tyvek house wrap on exterior walls in attic to create an air barrier. - R-30 Fiberglass Batt (Vaulted ceiling in attic, 315 sq ft): - Install fiberglass batt / blanket insulation in floor joist cavities to achieve R-30. - Highest quality (Owens Corning) GUARANTEED, reputable national brand fiberglass insulation. - Limited Lifetime Warranty included. - Other Misc. Items: - Replace 2 gable vent screens.